OBJECTIVE LIFE SCIENCE
GENETICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A cross of a red cow with a white bull produces all road offspring. This type of inheritance is known as
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codominance
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incomplete dominance
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multiple alleles
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“breed time:
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Explanation:
Detailed explanation-1: -Codominance results in two phenotypes being expressed in different parts of an animal. For example, a Holstein cow has black and white spots. This results from a “white” allele and a “black” allele that are each fully expressed in different parts of the organism.
Detailed explanation-2: -A red bull is crossed with a white cow and all of the offspring are roan, an intermediate color that is caused by the presence of both red and white hairs.
Detailed explanation-3: -Definition. Codominance, as it relates to genetics, refers to a type of inheritance in which two versions (alleles) of the same gene are expressed separately to yield different traits in an individual.
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