The pedigree below depicts a dominant trait. What is the genotype of individual I-1 (use the letter A for a dominant allele and a for a recessive allele)? How did you come to this conclusion? Using your best grammar, write 3-5 sentences.

The Pedigree Below Depicts A Dominant Trait. What Is The Genotype Of Individual I-1 (use The Letter A

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Answer 1

A pedigree chart is a diagrammatic representation showing the occurrence and appearance of phenotypes of a particular gene/traits and its ancestors from one generation to the next establishing relationships between individuals in a family.

Using the letter A for a dominant allele and a for a recessive allele, the genotype of individual I-1 is Aa.

In the key pedigree nomenclature, an individual marked with the black ink is affected with the trait (and this trait is dominant - A). Looking at the F1 generation, there are males affected and females as well. For inheritance of the trait, just one copy is enough to become affected. Therefore, the male parent is heterozygous for the trait and the female normal (aa) to enable the production of both affected and non-affected individuals.

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Related Questions

the critical factor that determines gender during development is ________.

Answers

Answer:

the SRY gene.

Explanation:

The SRY gene was found within the minimum region of Y-specific DNA required for male development. Confirmation of its role was found by the analysis of XY female patients with mutations within this gene. A mouse has been an important working model to study the process of mammalian sex determination.

Messages are carried from the eyes to the brain by Question 5 options: nerves muscle light blood vessels.

Answers

Answer: Messages are carried from the eyes to the brain by nerves.

(specifically optic nerves)

Explanation:

When we see something, our eyes send messages to our brain through the optic nerves. Each nerve contains around a million long 'wires', called axons, which carry information from ganglion cells in the retina to relevant parts of the brain.

I got it from Goog|e, I hope it helps.

Messages are carried from the eyes to the brain by NERVES. These fibers send sensory messages between the body and brain.

The nerves are groups of fibers that receive and send sensory messages between the body and brain.

The cells that form nerves are called neurons, which use electrical and/or chemical (neurotransmitter) signals to transmit sensory information.

The optic nerve is a specialized nerve that transmits different types of visual sensory information (i.e., brightness, color, perception, contrast, etc).

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What are some strength and weakness of cell membranes?

Answers

Answer:

Some strengths of the cell membrane would be being able to have control in what comes in and out of the cell. The cell membrane is semi-permeable meaning only certain things can come into the cell. In active transport, the membrane gives proteins to passing substances.

Answer:

1) a series of circulation cells for the tropics, (2) a series for the polar regions and (3) a very dynamic series of cells in the midlatitudes

Explanation:

Describe the path of a phosphorous atom through four parts of the phosphorous cycle. Be sure to explain the processes involved in the transfers. Note when a form of phosphorous is available to plants. (Will mark brainliest)

Answers

Answer: One of the ways the path of a phosphorous atom starts is in a rock containing phosphate. The rock weathers, so that a phosphate ion enters the soil. A plant takes up the phosphate ion and incorporates it into a DNA molecule in a pollen grain. The grain falls back to the ground and decomposes, converting the atom back into phosphate through mineralization. The phosphate ion then leaches into the groundwater, leaving the soil.

Explanation: Plato/ Edmentum

Phosphorus moves in a cycle through rocks, water, soil and sediments, and organisms. Over time, rain and weathering cause rocks to release phosphate ions and other minerals.

This inorganic phosphate is then distributed in soils and water. Plants take up inorganic phosphate from the soil.

How does phosphorus enter the phosphorus cycle?

Phosphorus enters the atmosphere from volcanic aerosols. As this aerosol precipitates on earth, it enters terrestrial food webs. Some of the phosphorus from terrestrial food webs dissolves in streams and lakes, and the remainder enters the soil. Another source of phosphorus is fertilizers.

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why was it impossible to know about bacteria 5,000
years ago

Answers

Answer:

Im assuming because microscopes hadnt been invented. Also the idea of communicable diseases wasnt around so people assumed it was things like god that caused illness

Answer:

A true understanding of the physiology of these bacteria and their roles in ecology, host health, and natural product production requires their cultivation in the laboratory. Recent advances in growing these species include coculture with other bacteria, recreating the environment in the laboratory, and combining these approaches with microcultivation technology to increase throughput and access rare species. These studies are unraveling the molecular mechanisms of unculturability and are identifying growth factors that promote the growth of previously unculturable organisms. This minireview summarizes the recent discoveries in this area and discusses the potential future of the field.

Explanation:

(Select all that apply.) The mismatch of a DNA base pair during duplication can result in a _____. recombination mutation change differentiation

Answers

Answer:

The answer is change and mutation!

Hope this helps!

Explanation:

Hormones exert an effect only on a gland or organ that has a ________ where that specific hormone can bind.

Answers

Hormones excite, inhibit, or regulate the activity of other organs when they exert their effect on a target cell where that specific hormone can bind.

A hormone is the substance secreted by certain glands that promotes, blocks or regulates the activity of the organs.

Target cells are cells that possess specific receptors for hormones on their surface.

The recognition of a hormone by its target cell lies in the presence at the cellular level of glycoproteins, called receptors, which bind specifically to the hormone, with high affinity and in a reversible way.

Receptors present some differences related to the type of hormone or neurotransmitter to which they bind, with their location in the cell and with the way of transferring information after their union with these molecules.

Therefore, we can conclude that hormones are produced by certain glands, circulate through the blood and reach other cells called target cells, exerting a regulatory effect on them.

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Researchers continued to record the deer population for many years after the coyote reduction. After a few years of growth, the deer population stopped changing much and stayed consistent. What is the term that best describes the continued stability of the population in this ecosystem?
Exponential growth

Carrying capacity

Overshoot

Limiting factor

Answers

Carrying capacity is a constant that equals population size at the equilibrium point. The term that best describes the continued stability of the population is option B, carrying capacity.

---------------------------------

Populations that exhibit the logistic growth model depend on density.

Natality and mortality depend on the population size, meaning that there is no independence between population growth and population density.

When a population grows in a limited space, density rises gradually and eventually affects the multiplication rate.

The population per capita growth rate decreases as population size increases.

The population reaches a maximum point delimited by available resources, such as food or space. This point is known as the carrying capacity, K.

K is a constant that equals population size at the equilibrium point, in which the natality and the mortality rate get equal to each other.

Assuming that population size is N, when

N<K, the population can still grow.  

N approximates to K, the population´s growth speed decreases.  

N=K the population reaches equilibrium,  

N>K, the population must decrease in size because there are not enough resources to maintain that size.  

The sigmoid curve represents the logistic growth model.

The carrying capacity might be affected by different factors, known as limiting factors, which might be a result of the population density (for example, competition) or might be density-independent.

Dense-independent factors might be human impact or natural disasters (fires, volcanic eruption, flooding).

In the exposed example we have a small population of deer that could grow and increase in size because of the absence of its predator.

This deer population exhibited continuous growth until it reached a certain point in which it remained stable.

This point is the carrying capacity.

At this point N = K ⇒ the deer population stoped increasing its size because it reached the environmental maximal capacity.

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what is the answer 50 points

Answers

ANSWER:
a. Spinal chord
b. Liver
c. Kidney

What does an alcoholic beverage contain that is a central nervous system depressant? 

Answers

Answer:

interferes with release of neural transmitter GABA

Explanation:

Alcohol is a central nervous system depressant, meaning it slows down brain functioning and neural activity. Alcohol does this by enhancing the effects of the neural transmitter GABA

depressants essentially "look" like the neural transmitter and so they go in and block the plasce in the brain between synapses, so when the body tries to release GABA, it appears as if it is already filled in, but in reality it is the alcohol that has filled it. once they start buidling up, they block enough that it impairs brain activity

Answer:

GABA

Explanation:

gamma-aminobutyric acid (GABA)

Delia is interested in finding ways to cure diseases. Which of the following career fields would best suit Delia’s interest?

animal biology
cytology
zoology
nuclear biology

Answers

Answer: D) Nuclear biology

pls help!!
The following tracking model was created for Hurricane Ike on September 8, 2008. ^^
According to this model, at which point is the storm least likely to make landfall?
1) Point A
2) Point B
3) Point C
4) Point D​

Answers

Answer:

Its Point A

Explanation:

The following tracking model was created for Hurricane Ike on September 8, 2008. Map of Gulf Coast showing the forecasted path of Hurricane Ike on September 8, 2008. The storm’s current location, as of 5 p.m. on Friday, is just south of Cuba, over the Caribbean Sea. The “cone of probability” extends northwest. Point A is located along the Texas coast, right in the center of the cone’s widest point. Point B is located along the coast of Louisiana, toward the easternmost edge of the cone. Point C is located further east, along the coast of the Florida Panhandle. Point D is located on the border between Mexico and Texas, toward the southwestern-most edge of the cone. According to this model, at which point is the storm least likely to make landfall?

3 Question
Drag the tiles to the boxes to form correct pairs.
A fossil can reveal many characteristics and properties of the original species. Match the following
characteristics to the fossil of the once-living organism that best demonstrated the characteristic.
s
Tiles
was a predator
crawled and burrowed
walked on two legs
was a stationary organism
Pairs

Answers

First image shows a stationary organism whereas the second image indicates predator.

The first picture represents a leaf structure which is a part of plant and we know that plant is a stationary organism means it can't move from one place to another so that's why it is called a stationary organism.

While on the other hand, the second picture represents predator due to the presence of sharp teeth which helps the predators in catching and tearing of prey so we can conclude that first image shows a stationary organism whereas the second image indicates predator.

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Answer:

1. walked in two legs

2. crawled and burrowed

3. was a stationary organism

4. was a predator

Explanation:

Explain the importance of scientific names.

Answers

Answer:

Every recognized species on earth (at least in theory) is given a two-part scientific name. This system is called "binomial nomenclature." These names are important because they allow people throughout the world to communicate unambiguously about animal species.

Where does cellular respiration take place?
A. endoplasmic reticulum
B. Golgi apparatus
С. mitochondria
D. ribosomes​

Answers

Cellular respiration takes place in mitochondrion
C. Cellular respiration takes place in the mitochondria, the powerhouse of the cell.

what is dropped off at the lungs by the blood vessels

Answers

Answer:

carbon dioxide

Explanation:

1. There are 200 bones in the human body. 2. The skeleton is the structural arrangement of bones in the human body. 3. A bones are of the same shape. 4. Bones give shape to the body. 5. The backbones or spinal column are attached to the skull. the statements below.​

Answers

Answer:

Salmat po

Explanation:

sorry i can send the answer he said "We dont use rude word here, please change"

A red flower RR and a purple flower BR have 4 offspring how many will be red blue and purple? Complete a Punnett square

Answers

Answer:

So three of the offspring will be red, blue and purple and one will be purple.

hope that's correct and it helps

This question is in accordance with the mendel law of independent assortment which stated that two alleles assort independently during gamete formation. Therefore, the resultant punnett square will show flower having the genotype of RB and purple color as its phenotype.  See Attachment for punnet square results.

the enzyme dicer chops dsrna molecules into small pieces of

Answers

The enzyme is a structure of proteins that can break amino acids in glucose

The enzyme dicer chops dsRNA molecules into small pieces of miRNA and siRNA. The correct option is B.

What is Dicer?

Dicer is an enzyme involved in RNA interference (RNAi), a cellular process that regulates gene expression.

Its primary role is to cleave double-stranded RNA (dsRNA) molecules into smaller fragments.

These fragments are typically around 21-25 nucleotides in length and serve as the building blocks for two types of small RNA molecules: microRNA (miRNA) and small interfering RNA (siRNA).

miRNAs are endogenous small RNA molecules that play a crucial role in post-transcriptional gene regulation. siRNAs are also small RNA molecules but are primarily involved in the defense against viral infections and the silencing of transposable elements.

Thus, the correct option is B.

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Complete question:

The enzyme dicer chops dsRNA molecules into small pieces of:

A. mRNA and miRNA.

B. miRNA and siRNA.

C. siRNA and rRNA.

D. mRNA and siRNA.

What are the four bases of DNA?​

Answers

Answer: adenine (A), cytosine (C), guanine (G), and thymine (T) hope this helps

Explanation:

 

Answer:

guanine, cytosine, adenine, and thymine

Explanation:

students learned that the job of one organelle in a cell is to filter out cellular wastes, toxins, and excess water or nutrients. which body system has this function?

Answers

Answer: The excretory system.

Explanation: The excretory system's function is to filter out cellular wastes, toxins and excess water or nutrients from the circulatory system.

What are potential solutions for the spike in human population
O educating women
O family planning (birth control)
O working women (contribute to the household income
O all the above

Answers

men are the problem:)

Biology, Need help!

An inventor claims to have invented an artificial kidney for patients that need a kidney
transplant. Which of the following would be a reason that the scientific community might
reject this claim?

A. Previous investigations were unable to obtain the same results.
B. The inventor failed to present observations with data.
C. Investigations were performed in an unknown laboratory.
D. The device failed to follow law of conservation of mass

Answers

I believe the answer is B

All of the given options could potentially be reasons why the scientific community might reject the inventor's claim, but the option that specifically relates to the principles of science is option D: the device failed to follow the law of conservation of mass.

What is an artificial kidney?

In the case of an artificial kidney, the device is supposed to filter out waste products from the blood, which is then supposed to be removed from the system in a measurable form, such as through urine or dialysis fluid. If the device fails to remove the waste products from the blood, or if it makes them disappear without a measurable output, it would suggest that the device is not functioning as claimed and may not be effective in treating patients who need a kidney transplant. Therefore, the scientific community would likely reject the inventor's claim until there is evidence that the device follows the fundamental principles of science, such as the law of conservation of mass

Hence, the option that specifically relates to the principles of science is option D: the device failed to follow the law of conservation of mass.

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03.02 MC) What do weather and climate have in common?

Answers

Here is the answer:
This is the answer I hope this helps you

What is the difference between anecdotal evidence and empirical evidence?
(no copy and pasted answers)

Answers

Answer:

Evidence is proof, in some form or another, offered to defend a belief or a claim. Anecdotes are short stories told to illustrate a point or support a claim.

Scientific evidence is evidence which serves to either support or counter a scientific theory or hypothesis. ... Anecdotal evidence is using your personal experiences and stories to illustrate your point. Empirical evidence is measured, unbiased, and replicable.

what biotic factors are in freash water moderat rivers?? (list atleast 4) please

Answers

Answer:

algae,fish and bacteria and  aquatic invertebrates

Explanation:

Because how would the economy work without half of these things

PLEASE HELP!!!! MULTIPLE CHOICE

Answers

Answer:

c

Explanation:

What are Mendel's two laws?​

Answers

Answer:

1) the law of segregation

2) the law of independent assortment

Explanation:

Explain how the water cycle
affects the climate of an area.

Answers

Answer:

Dry soils interrupt the water cycle's evaporation and transpiration stages. Rainfall decreases and deserts grow as a result of insufficient evaporation and transpiration, causing climate change.

Explanation:

hope it help! :)

what are the cell theories formulated by schwann and schielden?​

Answers

Answer:

By the late 1830s, botanist Matthias Schleiden and zoologist Theodor Schwann were studying tissues and proposed the unified cell theory. The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells.

Explanation:

Hope this helps

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