The zebra fish is a very popular aquarium pet fish that is known to be hardy, attractive, and able to survive well in groups. Wild type zebra fish have blue–purple horizontal stripes that run from gill to tail, with a silver–gold body. An alternative form of the zebra fish results from a mutation that causes a homozygous recessive red-colour fish. Could you kindly answer all of the questions? It's multiple choice so minimal explanation is needed and i do not have a lot of questions left. Thank you. a) If 32 of 84 zebra fish have the recessive phenotype of red colour, what is the frequency of the recessive allele in this population of fish? a. 0.62 b. 0.38 c. 0.14 d. 0.79 b) What percentage of the population of zebra fish are heterozygous? a. 47% b. 38% c. 62% d. 53% c)How many zebra fish are purebreeding for the blue–purple horizontal stripes? a. 72 b. 12 c. 52 d. 5
The zebra fish is a very popular aquarium pet fish that is known to be hardy, attractive, and able to survive well in groups. Wild type zebra fish have blue–purple horizontal stripes that run from gill to tail, with a silver–gold body. An alternative form of the zebra fish results from a mutation that causes a homozygous recessive red-colour fish. Could you kindly answer all of the questions? It's multiple choice so minimal explanation is needed and i do not have a lot of questions left. Thank you. a) If 32 of 84 zebra fish have the recessive phenotype of red colour, what is the frequency of the recessive allele in this population of fish? a. 0.62 b. 0.38 c. 0.14 d. 0.79 b) What percentage of the population of zebra fish are heterozygous? a. 47% b. 38% c. 62% d. 53% c)How many zebra fish are purebreeding for the blue–purple horizontal stripes? a. 72 b. 12 c. 52 d. 5
Human Biology (MindTap Course List)
11th Edition
ISBN:9781305112100
Author:Cecie Starr, Beverly McMillan
Publisher:Cecie Starr, Beverly McMillan
Chapter19: Introduction To Genetics
Section: Chapter Questions
Problem 9CT
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The zebra fish is a very popular aquarium pet fish that is known to be hardy, attractive, and able to survive well in groups.
Wild type zebra fish have blue–purple horizontal stripes that run from gill to tail, with a silver–gold body.
An alternative form of the zebra fish results from a mutation that causes a homozygous recessive red-colour fish.
Could you kindly answer all of the questions? It's multiple choice so minimal explanation is needed and i do not have a lot of questions left. Thank you.
a) If 32 of 84 zebra fish have the recessive
a. 0.62
b. 0.38
c. 0.14
d. 0.79
b) What percentage of the population of zebra fish are heterozygous?
a. 47%
b. 38%
c. 62%
d. 53%
c)How many zebra fish are purebreeding for the blue–purple horizontal stripes?
a. 72
b. 12
c. 52
d. 5
d) If 15 years ago, 34 of 88 zebra fish had the red colour, has microevolution occurred? Why or why not?
a.
Yes | The allele frequency has remained the same. |
b.
Yes | The allele frequency has changed. |
c.
No | The allele frequency has remained the same. |
d.
No | The allele frequency has changed. |
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