In a hypothetical population of butterflies, a dominant mutation in an allele that controls wing color has resulted in purple spots developing on the wings. The genetic change is heritable such that the offspring of butterflies who inherit at least one mutated allele will develop purple spots. The population of butterflies inhabits a windy field that contains many purple flowers. Individuals with purple spots are so well camouflaged on the purple flowers that they are eaten less frequently by predators. There are other fields with populations of the same species of butterfly nearby, but purple flowers are less prevalent in these nearby habitat areas. There are no borders between these fields and it is common for individuals from one population to be blown into another population by the wind. Despite the advantage the mutated allele confers to the butterflies in the field with many purple flowers, the mutated allele never occupies 100% of the gene pool and the population of butterflies always contains a mix of individuals with and without purple spots. What is the most likely explanation for why this trait does not spread entirely throughout the population

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Answer 1

The movement of alleles into a population is called gene flow. The most likely explanation for why this trait does not entirely spread in the population is 'outside alleles enter the population through gene flow'.

Gene flow is caused by the migration and further reproduction of individuals in the population, or the transport of gametes from one population to another (e.g., the transport of pollen by pollinating bees).

Gene flow is an evolutionary force capable of modifying allele frequencies in a population.

In this case, despite the evolutionary advantage that the mutated allele confers to the butterflies, the frequency of this allele can not reach 100% due to the continued introduction of alleles from other populations (i.e., due to gene flow).

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Related Questions

Identify the type of cell shown


PLEASEEEE !!! I know it is probably easy

Answers

Answer:

where is the cell?

Explanation:

Which of these macromolecules are made of fatty acid molecules?
O proteins
O lipids
O carbohydrates
nucleic acids
Question 16

Answers

Lipids I think from playto
The answer is Lipids

repurting of an artery is dangerous,why?

Answers

Cause you can die and it triggers a colonial malfunction in the left pinky toe

Which would scientists predict might happen due to solar flares?

Answers

Answer:

Explanation:

electrical systems in satellites will fail

(PLEASE HELP )Read the passage below. Highlight the concerns of the plaintiff. Then answer the question to the right.

Recently, the Supreme Court of the United States reversed a lower court ruling that allowed a company to patent DNA sequences for two cancer genes. The patent prevents other scientists from using these DNA sequences for any reason. The company uses the DNA sequences to market kits used to identify the two types of cancer in humans. The company claims that the gene sequences are its intellectual property. it's owner feels that allowing other people to access the sequences will harm his company financially because the search for the gene sequences was very expensive.but the plaintiff in the case argue that Gene sequences are products of nature that cannot legally be patterned the plaintiff explain to the judge that the kids are very expensive as a result some patients who need these tests cannot afford to have them done.​

Answers

Answer:

Explanation:

I got it right

the lipid components of cellular membranes include:

Answers

Answer:

phospholipids

Explanation:

Lipids of cell membranes include phospholipids composed of glycerol, fatty acids, phosphate, and a hydrophobic organic derivative such as choline or phosphoinositol.

Hope this helps!

what is the function of the mouth in the digestive system

Answers

the mouth is the beginning of the digestion tract , our mouth also produces enzymes to begin the process of digestion

can i have some help on this question as well? thank you so much

Answers

Answer:

A= amino acid

B= monosaccharide

C= steroid

D= fatty acid

E= phospholipid

Explanation:

hope that helps:)

Which of the following statements are NOT true of micronutrients? a) They help regulate body processes.
b) They provide energy.
c) They help in the growth and maintenance of the body.
d) They are required in small amounts

Answers

Answer:

C

Explanation:

its easy

b)They provide energy statements are NOT true of micro nutrients

Do micronutrients control bodily functions?

Every single micronutrient is crucial for the health of your body's systems. Getting enough of the various vitamins and minerals is essential for good health and could even aid in the prevention of disease.

This is due to the fact that micronutrients are involved in almost every bodily process.

One of the most important vitamin categories that your body need are micronutrients. They contain minerals and vitamins. The creation of energy, immune system health, blood coagulation, and other processes all depend on vitamins.

In the meanwhile, minerals are crucial for a number of functions, including growth, bone health, fluid balance, and others.

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what is the approximate size of the chloroplast genome in base pairs?

Answers

Answer:

between 115 and 165 Kb

Explanation:

which organelles contain enzymes that break down old cell parts?

Answers

Explanation:

A lysosome is a membrane-bound cell organelle that contains digestive enzymes. Lysosomes are involved with various cell processes. They break down excess or worn-out cell parts.

What is a specific way that we could test the idea that the bacteria close to and farther away from the rings are different from each other?
will give brainliest

Answers

A way you could test if bacteria are different is through Gram Staining

Despite all bacteria are prokaryotic organisms, there are thousands of bacteria species and each species has different characteristics.

Moreover, bacteria are classified into two main groups:

Gram-negative bacteriaGram-positive bacteria

These differ in their structure as gram-positive bacteria have a thick peptidoglycan layer, while gram-negative bacteria have a thin peptidoglycan layer and an external layer.

This key difference is essential when classifying bacteria because there are specific species for each type. Moreover, this can be tested through Gram staining, as this will show gram-positive bacteria as purple and gram-negative ones as pink or red.

Note: This question is incomplete because the context is not provided; however, this is the answer based on general knowledge

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How do cells work together to keep your windpipe clear?


Why does your body need more than one kind of cell?

Answers

each cell has a different job to do in the body

what best describes the italo-byzantine style of the proto-renaissance

Answers

Explanation:

Italo-Byzantine is a style term in art history, mostly used for medieval paintings produced in Italy under heavy influence from Byzantine art. It initially covers religious paintings copying or imitating the standard Byzantine icon types, but painted by artists without a training in Byzantine techniques.

Italo-byzantine style of the Proto-Renaissance shows a period that took place or foundation of Italian Renaissance. What best describes are:

Art work or painting has it origin in byzantine art for without byzantine art it would not have existed.

It ranges from religious paintings copying or imitation of the standard Byzantine art.

The characteristic of the Italo-Byzantine style it has little representation of emotions.

limited range of gestures.

In Italo-Byzantine, there is a style term in

makes use of medieval paintings created in in Italy through learning or experience gotten from Byzantine art.

Conclusively, Italo-Byzantine is a style thag is influenced greatly by Byzantine art.

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Rewrite this sentence to make it true:


Physical changes happen when the molecules and atoms in matter change.

Answers

Answer:

Chemical changes happen when the molecules and atoms in matter change

Explanation:

Chemical changes occur when molecules or atoms' bonds are broken or formed

How many neutrons and protons does carbon have

Answers

Answer:

Carbon has an atomic number of 6. That means a carbon atom has 6 protons, 6 neutrons, and 6 electrons.

the red blood cells and brain are two body tissues that derive most of their energy from

Answers

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The red blood cells and brain are two body tissues that derive most of their energy from glucose.

Glucose is the answer.

The red blood cells and brain are two body tissues that derive most of their energy from carbohydrates. The correct option is C.

What are carbohydrates?

Sugar molecules make up carbohydrates, or carbs. Carbohydrates are one of the three primary nutrients included in foods and beverages, along with proteins and fats.

Glucose is created by your body's breakdown of carbs. The primary source of energy for the cells, tissues, and organs in your body is glucose, sometimes known as blood sugar.

Under normal conditions, glucose serves as the brain's main energy source.

Using either glycolysis or oxidative phosphorylation—the latter of which is 15 times more efficient—glucose is used to create energy in the form of adenosine triphosphate (ATP).

In the absence of glucose, the brain has backup energy sources, such as ketones created by fatty acid metabolism, which predominantly takes place in the liver.

These include 3-hydroxybutyrate, acetone, and acetoacetate (3BHM).

Thus, the correct option is C.

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Your question seems incomplete, the missing options are:

fat

protein.

carbohydrate.

iron.

what energy source is used during the energy investment phase of glycolysis?

Answers


Glucose.

In the process of glycolysis, glucose, a six-carbon molecule, is split into two pyruvates (three-carbon molecules). The first stage of glycolysis involves an energy investment of two ATP. When studying metabolic pathways, pay attention to the name of the enzyme and what the enzyme did.


Hope this answers your question!

In a crime scene, what would you place cocaine in found as evidence? And why?
-Small paper envelope
-Small cardboard box with cotton
-Paper bag
-Metal box
-Glass jar
-Plastic bag

Answers

plastic bag so it doesn’t get contaminated and won’t get wet.

the eukaryotic cell organelle that most resembles a bacterial cell is the

Answers

Answer:

mitochondria

Explanation:

Both bacteria and mitochondria have their own cell

What is the function of bud scales?​

Answers

Answer:

Bud scales act as protection for newly formed leaves and branch growth. They form at the end of the growing season once the leaves have fallen off the branches. Bud scales form in preparation for both new leaves and the extension of a stem's growth.

The image shows one muscle cell. Please select the correct term for the stricter labeled b.
1. troponin
2. myoglobin
3. actin
4. Myosin

Answers

Answer:

actin

because of many becauses

Which of the following correctly summarizes the blood flow through the circulatory system?

Answers

Answer:

A. is correct.   Ra - rv - L - la - lv - b

Explanation:

Answer:

Option 1

Explanation:

the chromosomes arrive at the poles and nuclear envelopes form during which phase of mitosis?

Answers

Answer:

hope this helps ♡

Explanation:

Telophase is the fifth step in mitosis. In telophase, chromosomes arrive at opposite poles and begin to decondenese. nuclear envelope material surrounds each set of chromosomes.

How can you tell the algae beads are preforming photosynthesis

Answers

Answer:

preforming the experiment yourself

Explanation:

jdifn

Why did we have to establish a baseline of hydrogen peroxide and catalase in part d of the enzyme catalase lab?

Answers

Answer:

Here is an essay.

Explanation:

https://www.bartleby.com/essay/The-Effect-of-Enzymes-on-Hydrogen-Peroxide-F346D6AY9EQ

What is the function of enzymes in a living system?

Enzymes speed up metabolic reactions necessary for life. Without them, certain vital processes would not take place and the body would be unable to function.

Difference enzymes work better under different conditions. Where in a human body might it be beneficial to have enzymes work in very acidic environments?

In areas, like the stomach, that have a pH of two would benefit by having enzymes that function well in acidic environments. An example of such an enzyme is pepsin.

There is a large amount of catalase found in a human liver. Does the liver break down more hydrogen peroxide in the summer or winter? Explain your answer.

More hydrogen peroxide will be broken down in the summer…show more content…

Potassium permanganate - used to titrate and determine the amount of decomposed hydrogen peroxide.  

Sulfuric acid - was used to stop the reaction with catalase and hydrogen peroxide.  It denatured the enzyme (catalase) and halted the reaction so the amount of hydrogen peroxide decomposed could be measured.  

Before performing part D of the experiment, why was it necessary to establish a baseline?

The baseline is a control and shows the amount of decomposed hydrogen peroxide in the initial sample.  

You may have observed the reaction of naturally occurring catalase in tissue from either liver or potato. Design an experiment to determine if the amount of catalase varies from tissue to tissue (e.g. 200 g of the liver compared to 200 g of potato).  

Put the 100 g of potato in 1 petri dish and 100 g of the liver in another petri dish. Then put equal amounts of hydrogen peroxide for an equal period of time in both dishes. Drain the dishes and titrate them with potassium permanganate simultaneously. The numbers can now be compared using the steps in the sample calculation above in the lab report. In order to compare perform a potassium permanganate titration on pure hydrogen peroxide.  

Of the thousands of enzymes known, there is a family of enzymes called proteases that catalyze a reaction of breaking down proteins. What do you think would happen if you added a protease to your sample of catalase before proceeding with your experiment?  

The catalase would be broken

What is detected by chemoreceptors? - science

Answers

In physiology, a chemoreceptor detects changes in the normal environment, such as an increase in blood levels of carbon dioxide (hypercapnia) or a decrease in blood levels of oxygen (hypoxia), and transmits that information to the central nervous system which engages body responses to restore homeostasis.

what medications test positive for methamphetamemes?

Answers

Answer:

Ritalin (methylphenidate) and Adderall are used to treat ADHD, and are well known to cause a false positive for amphetamines and methamphetamines.

Which is NOT a homeostatic mechanism?
O fecal regulation
O water regulation
oxygen regulation
thermoregulation

Answers

Explanation:

To be precise, homeostasis is a process/phenomenon not a system. Homeostasis is actually the process of maintaining a stable internal environment despite changes in the external environment. There are mechanisms in organisms that regulate pH and this regulation is an example of homeostasis.


Look at the image.

Answers

Answer:

it is the bodies first line of defense

Explanation:

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