OBJECTIVE LIFE SCIENCE
GENETICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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25%
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50%
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75%
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100%
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Detailed explanation-1: -Expert-Verified Answer Black hair is dominant which means that it can be expressed in homozygous as well as heterozygous form. Brown hair is recessive and can be expressed in homozygous form only. Similarly, short hair is dominant and long hair is recessive.
Detailed explanation-2: -In guinea pigs, black fur (B) is dominant over white fur (b) and rough four ( R ) is domiant over smooth fur ( r ) . A cross between two Guinea pigs hybrid for both traits (BbRr x BbRr) produces some offsprings that have rough, black fur and some that have somooth, black fur.
Detailed explanation-3: -In guinea pigs, black hair (B) is dominant to brown hair (b) and short hair (H) is dominant to long hair (h). A black, long-haired guinea pig (Bbhh) is crossed with a brown, short-haired guinea pig (bbHh).