A breeder performed a testcross to find out if his male dog was a purebred black. He got one brown puppy and seven black puppies, did he have the purebred? (explain) What was the genotype of the female dog he used in test cross (BB), (Bb), or (bb)? (explain)

A breeder performed a testcross to find out if his male dog was a purebred black. He got one brown puppy and seven black puppies, did he have the purebred? (explain) What was the genotype of the female dog he used in test cross (BB), (Bb), or (bb)? (explain)

Name: A breeder performed a testcross to find out if his male dog was a pure
Uploaded: 2024-03-20T06:43:04.000Z
Channel: Bartleby
Description: A breeder performed a testcross to find out if his male dog was a purebred black. He got one brown puppy and seven black puppies, did he have the purebred? (explain) What was the genotype of the female dog he used in test cross (BB), (Bb), or (bb)? (

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter6: Cytogenetics: Karyotypes And Chromosome Aberrations

Section: Chapter Questions

Problem 2QP: Given the karyotype shown at right, is this a male or a female? Normal or abnormal? What would the...

See similar textbooks

Similar questions

A dog breeder liked yellow and brown Labrador retrievers. In an attempt to produce yellow and brown puppies, he mated a yellow Labrador male and a brown Labrador female. Unfortunately, all the puppies produced in this cross were black. Q. Explain this result.
When a red cow is crossed with a white cow, the offspring show both colors of hairs and are called roan. Use (R) for red and (W) for white. Identify the PARENT GENOTYPES in a cross between two r a cows? :: RR : RW : wW
In Border Collies, black coat (B) is dominant to red coat (b). A breeder has a black male that has won numerous awards.T he breeder would like to use the dog for breeding if he is purebred (BB). To learn this information, she testcrosses him with a red female (bb). a) If the black male is BB, what kind of gamete (sperm) can he produce? b) If the red female is bb, what kind of gamete (eggs) can she produce? c) If the black male is Bb, what kind(s) of gametes (sperm) can he produce? d) If any of the puppies are red, what is the father's genotype?
Mrs Mumba delivered a baby girl in a certain hospital. Mrs Mumba has blood group O and the father to the girl has blood group AB. Mrs Mumba sues the hospital for giving her a wrong baby whose blood group was 0. (a) Explain using a genetic diagram why Mrs Mumba would win or lose the case. (b) What could have been the correct genotype of the actual father?
Using the pedigree, assume that the disease is caused by an autosomal dominant allele, R. Give the genotype of the following individuals: (a) III-4 (the girl at lower right) (b) II-3 (the girl’s mother) (c) II-4 (the girl’s father)
A male dog of genotype Aa is crossed with a female dog of genotype AA. Both are large breed, medium breed to recessive result. Determine the genotype and phenotype of the cross.
In a maternity ward, four babies become accidentallymixed up. The ABO types of the four babies are known tobe O, A, B, and AB. The ABO types of the four sets ofparents are determined. Indicate which baby belongs toeach set of parents: (a) AB × O, (b) A × O, (c) A × AB,(d) O × O
A dog breeder liked yellow and brown Labrador retrievers. In an attempt to produce yellow and brown puppies, he mated a yellow Labrador male and a brown Labrador female. Unfortunately, all the puppies produced in this cross were black. Q. How might the breeder go about producing yellow and brown Labradors?.
In this pedigree chart, what is the genotype of individual III-1? (It's circled in blue.)
A dog breeder liked yellow and brown Labrador retrievers. In an attempt to produce yellow and brown puppies, he mated a yellow Labrador male and a brown Labrador female. Unfortunately, all the puppies produced in this cross were black. a. Explain this result. b. How might the breeder go about producing yellow and brown Labradors?
As a graduate student, you join a lab and you are looking through some old notebooks. You find a linkage map someone has drawn. G--15 mu-----T----10 mu-------B If you plan to complete a test cross with a GtB/gTb male, A) What are all of the expected progeny genotypes? B.) How many of each genotype would you expect if you collected 1000 progeny?
Heliodors are either red (R), yellow (Y) or an intermediate phenotype, orange. What is the genotype of the orange heliodor?