OBJECTIVE LIFE SCIENCE
GENETICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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On a punnett square, two capital letters indicate a gene which is
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Homozygous dominant
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Homozygous recessive
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Heterozygous
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None of the above.
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Explanation:
Detailed explanation-1: -In genetics, this is designated with two of the same lower case letters such as aa. This shows the genes that were inherited from each parent were recessive. If you want to demonstrate a homozygous dominant genotype, the designation would be AA.
Detailed explanation-2: -An organism with two dominant alleles for a trait is said to have a homozygous dominant genotype. Using the eye color example, this genotype is written BB.
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