Black coat colour in cocker Spaniels is governed by a dominant allele B and red coat colour by its recessive allele b; solid pattern is governed by the dominant allele of an independently assorting locus S, and sported pattern by its recessive allele s. A solid black male is mated to a solid red female and produces a litter of six pups: two solid black, two solid red, one black and white, and one red and white. (a) What are the possible genotypes of all the phenotypes obtainable? (b) Determine genotype of the parents. Hint- an unknown portion of a genotype may be indicated by a dash (-).
Black coat colour in cocker Spaniels is governed by a dominant allele B and red coat colour by its recessive allele b; solid pattern is governed by the dominant allele of an independently assorting locus S, and sported pattern by its recessive allele s. A solid black male is mated to a solid red female and produces a litter of six pups: two solid black, two solid red, one black and white, and one red and white. (a) What are the possible genotypes of all the phenotypes obtainable? (b) Determine genotype of the parents. Hint- an unknown portion of a genotype may be indicated by a dash (-).
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
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Black coat colour in cocker Spaniels is governed by a dominant allele B and red coat colour by its recessive allele b; solid pattern is governed by the dominant allele of an independently assorting locus S, and sported pattern by its recessive allele s. A solid black male is mated to a solid red female and produces a litter of six pups: two solid black, two solid red, one black and white, and one red and white.
(a) What are the possible genotypes of all the
(b) Determine genotype of the parents. Hint- an unknown portion of a genotype may be indicated by a dash (-).
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