You were given 1000 fruit flies to start a new laboratory colony. Before starting to breed your fruit flies, you decided to determine their genetic make up. You counted approximately 360 fruit flies that have vestigial wings, a recessive trait. If you decide to remove all the fruit flies with vestigial wings and only breed the flies with normal wings, what is the approximate frequency of individuals with vestigial wings in the F1 generation? 0.09 O 0.16 0.25 0.36 O 0.14

You were given 1000 fruit flies to start a new laboratory colony. Before starting to breed your fruit flies, you decided to determine their genetic make up. You counted approximately 360 fruit flies that have vestigial wings, a recessive trait. If you decide to remove all the fruit flies with vestigial wings and only breed the flies with normal wings, what is the approximate frequency of individuals with vestigial wings in the F1 generation? 0.09 O 0.16 0.25 0.36 O 0.14

Name: You were given 1000 fruit flies to start a new laboratory colony. Bef
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Description: You were given 1000 fruit flies to start a new laboratory colony. Before starting to breed your fruitflies, you decided to determine their genetic make up. You counted approximately 360 fruit flies thathave vestigial wings, a recessive trait.If you

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter15: Genomes And Genomics

Section: Chapter Questions

Problem 2QP: Hemophilia and color blindness are both recessive conditions caused by genes on the X chromosome. To...

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Hemophilia and color blindness are both recessive conditions caused by genes on the X chromosome. To calculate the recombination frequency between the two genes, you draw a large number of pedigrees that include grandfathers with both hemophilia and color blindness, their daughters (who presumably have one chromosome with two normal alleles and one chromosome with two mutant alleles), and the daughters sons. Analyzing all the pedigrees together shows that 25 grandsons have both color blindness and hemophilia, 24 have neither of the traits, 1 has color blindness only, and 1 has hemophilia only. How many centimorgans (map units) separate the hemophilia locus from the locus for color blindness?
What is the expected total time of the coalescent (TC) for a sample of 3 alleles? If there were 5 generations per year and an N of 100, what would be the (TC) in years?
Snuffleups are small, ant-eating mammals that live deep in the jungles of Brazil. They possess a nose that varies between 3 inches long and 19 inches long. The exact length of the nose is determined by quantitative loci. If one crosses a 19-inch nosed snuffleup with one that has a 3-inch nose, one gets F1 offspring with 11-inch noses. When one crosses two F1 individuals, one gets an array of nose lengths from 3 inches to 19 inches long. However, among the F2, 3-inch noses occur only about 1 in 256 offspring and 19-inch noses occur about one in 256 offspring. How many ALLELES are involved in forming this trait?
Snuffleups are small, ant-eating mammals that live deep in the jungles of Brazil. They possess a nose that varies between 3 inches long and 19 inches long. The exact length of the nose is determined by quantitative loci. If one crosses a 19-inch nosed snuffleup with one that has a 3-inch nose, one gets F1 offspring with 11-inch noses. When one crosses two F1 individuals, one gets an array of nose lengths from 3 inches to 19 inches long. However, among the F2, 3-inch noses occur only about 1 in 256 offspring and 19-inch noses occur about one in 256 offspring. Two 11-inch nosed F1 individuals are crossed. How often will their progeny have noses 9 inches long? Two 11-inch nosed F1 individuals are crossed. How often will their progeny have noses AT LEAST 15 inches long?
You are doing a genetics experiment with the fruit fly. In the “P” generation, you cross two true-breeding flies. The female parent is brown and wingless and the male parent is black with normal wings. All of the flies in the F1 generation are brown and have normal wings. Answer all the questions below. 3d. You count 1600 offspring in the F2 generation. If the wing and the color traits were linked and no recombination occurred, what would you expect the numbers of: 1. brown winged flies (BbNn) 2. black winged flies (Bbnn) 3. brown wingless flies (bbNn) 4. black wingless flies (bbnn). 3e. What is the genetic distance between the color and wing genes when you count the F2 generation as 85 brown winged flies, 728 black winged flies, 712 brown wingless flies, and 75 black wingless flies.
Cross Cross A Cross A Cross B Cross B Phenotype F1 generation F2 generation F1 generation F2 generation Male red eyes 132 150 0 99 Female red eyes 135 295 110 101 Male white eyes 0 147 105 93 Female white eyes 0 0 0 95 Using “+” to indicate the wildtype red-eyed allele and “w” to indicate the mutant white-eyed allele, state the genotypes of the following: Wildtype red-eyed and white-eyed parental flies from cross A and cross B. Males and females from the F1 generation flies from cross A and cross B Males and females, F2 generation flies from cross A and cross B.
According to Figure 3, what is the probability that individual #17 in generation III will show the trait?
Why is there a blue scale?
In your F2 light treatment vial, you observe the following data: 5 white-eyed males, 18 wild-type males, 7 white-eyed females, and 10 wild-type females. What is the white-eyed allele frequency in this generation? Leave your answer as a decimal. Give the explanation also.
In a genetic cross between a homozygous tall plant with homozygous purple flowers and a homozygous short plant with heterozygous purple flowers, how many short plants will you expect in the F2 generation if you sample 36 individuals? Both tall and purple are dominant.
Suppose that you have 72 F2 flies from a cross, and expected that they would show a phenotype ratio of: 9 red eye/normal wings : 3 red eye/dumpy wings : 3 eyeless/normal wings : 1 eyeless/dumpy wings How many flies that eyeless with normal wings would you expect to have? Group of answer choices: A) 3 B) 18.5 C) 40.5 D) 13.5
In a population of 100 pea plants, there are two variations for flower color--purple and white. After counting, the nymber of white plants were 9 plants. What would be the number of plants that are heterozygous (2pq)?