6. A woman of blood group AB marries a man of blood group A, whose father was group O. What is the probability that a. their two children will both be group A? b. one child will be group B and the other group O? c. the first child will be a daughter of group AB and their second child a son of group B?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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5. Short hair in rabbits is governed by a dominant gene and long hair by its recessive allele. Black hair
results from the action of the dominant genotype and white from the recessive, the heterozygote
being brown. When two dihybrids are crossed, what:
a. phenotypic ratio is expected among the progeny?
b. proportion of the genotypes will be bred true?
c. proportion of all short-haired individuals is expected to be brown?
d. portion of the genotypes is heterozygous at both loci?
6. A woman of blood group AB marries a man of blood group A, whose father was group O. What is
the probability that
a. their two children will both be group A?
b. one child will be group B and the other group O?
c. the first child will be a daughter of group AB and their second child a son of group B?
Transcribed Image Text:5. Short hair in rabbits is governed by a dominant gene and long hair by its recessive allele. Black hair results from the action of the dominant genotype and white from the recessive, the heterozygote being brown. When two dihybrids are crossed, what: a. phenotypic ratio is expected among the progeny? b. proportion of the genotypes will be bred true? c. proportion of all short-haired individuals is expected to be brown? d. portion of the genotypes is heterozygous at both loci? 6. A woman of blood group AB marries a man of blood group A, whose father was group O. What is the probability that a. their two children will both be group A? b. one child will be group B and the other group O? c. the first child will be a daughter of group AB and their second child a son of group B?
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