Cattle have three colors. Red coat color, white coat in short horn cattle; with the heterozygous condition producing the roan condition. A farmer has a roan bull and a herd of cows. How can he produce a pure breeding white herd, using only his present herd. Explain your answer.

Cattle have three colors. Red coat color, white coat in short horn cattle; with the heterozygous condition producing the roan condition. A farmer has a roan bull and a herd of cows. How can he produce a pure breeding white herd, using only his present herd. Explain your answer.

Name: Cattle have three colors. Red coat color, white coat in short horn cat
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Description: Cattle have three colors. Red coat color, white coat in short horn cattle; with the heterozygous condition producing the roan condition. A farmer has a roan bull and a herd of cows. How can he produce a pure breeding white herd, using only his presen

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter3: Transmission Of Genes From Generation To Generation

Section: Chapter Questions

Problem 13QP: More Crosses with Pea Plants: The Principle of Independent Assortment Given the following matings,...

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In shorthorn cattle, a roan cow mated with a roan bull always produces red, white, and roan claves in the ration of one red: two roan: one white. (Roan is produced by an even mixture of red and white hairs). If a breeder of shorthorn cattle has cows which are white and a bull which is roan: What proportion of the claves produced in his herd will be white? What proportion of the calves produced in his herd will be roan? What proportion of the calves produced in his herd will be red? Starting with a roan bull and white cows, as explained above, could you eventually establish a true-breeder red herd? Explain.
In shorthorn cattle, a roan cow mated with a roan bull always produces red, white, and roan claves in the ration of one red: two roan: one white. (Roan is produced by an even mixture of red and white hairs). If a breeder of shorthorn cattle has cows which are white and a bull which is roan: What proportion of the claves produced in his herd will be white? The proportion will be the number of white calves/ roan and white offspring= 1/2 = 50% What proportion of the calves produced in his herd will be roan? The proportion will be the number of roan calves/ roan and white offspring= 1/2 = 50% What proportion of the calves produced in his herd will be red? zero Starting with a roan bull and white cows, as explained above, could you eventually establish a true-breeder red herd? Explain.
Length of fur in guinea pigs is due to a dominant trait, while short-haired guinea pigs are due to a recessive trait. Can two homozygous recessive parents produce a short-haired offspring? Why or why not? Show all work for credit!
Tallness (T) in snapdragon plants is dominant to dwarfness (t), and red (CR) flower color is not dominant to white (CW). The heterozygous condition results in pink (CRCW) flower color. If snapdragons are heterozygous for height as well as for flower color, a mating between them will result in what ratio? For full credit, you must show all work.
More Crosses with Pea Plants: The Principle of Independent Assortment Given the following matings, what are the predicted phenotypic ratios of the offspring? a. AABb Aabb b. AaBb aabb c. AaBb AaBb
Basic body color for horses is influenced by several genes, one of which has several different alleles, Two of these alleles—the chestnut (dark brown) allele and a diluting (pale cream) allele (often incorrectly called ‘albino’) - display incomplete dominance. A horse heterozygous for these two alleles is a palomino (golden body color with flaxen mane and tail). Is it possible to produce a herd of pure-breeding palomino horses? Why or why not? Work test cross for mating a palomino to a palomino and predict the phenotypic ratio among their offspring
One breed of cattle can be red, white, or roan. A cross of two roans produces equal numbers of whiteand red and twice as much roan. If a farmer wanted to breed an all-roan herd, which of the followingpairs would give him the best result? Explain why. a. roan and roan b. roan and red c. red and white
In some kinds of cattle, there are two alleles for coat color, R for red and r for white. When an allele for white and one allele of red combine, the coat is spotted with red and white, also called as roan. Predict the possible offspring of a homozygous red cow and a roan cow.
Background: In certain types of cattle, three colors exist: white (WW), white hairs red hair (RR), red hairs roan (RW), a mixture of red and white hairs Roan is a codominant condition. Question: A breeder wants to only produce roan-colored cattle. Which of the following parents should she select to only produce roan-colored offspring? Select all that apply. a black-haired parent b white-haired parent c roan-haired parent d red-haired parent
Alleles - Any of the alternative versions of a gene that produce distinguishable phenotypic effects. Select one: True False
Fur color is codominant in cows. A roan cow has a fur color of orange and white. What are the phenotype and genotypic ratios expected if a roan male and a roan female breed together?
One breed of cattle can be red, white, or roan. A cross of two roans produces equal numbers of whiteand red and twice as much roan. If a farmer wanted to breed an all-roan herd, which of the followingpairs would give him the best result? Explain your choice.a. roan and roan b. roan and red c. red and white