HEREDITY
MONOHYBRID CROSS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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a
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A
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b
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aa
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Detailed explanation-1: -Dominant alleles show their effect even if the individual only has one copy of the allele (also known as being heterozygous?). For example, the allele for brown eyes is dominant, therefore you only need one copy of the ‘brown eye’ allele to have brown eyes (although, with two copies you will still have brown eyes).
Detailed explanation-2: -Dominant alleles are seen as an uppercase of a letter; for example, B. Recessive alleles are seen as a lower case of a letter; b.
Detailed explanation-3: -Allele refers to variants of the same gene that occur on the same chromosome. An allele is said to be dominant as they override or mask the effect of other variants available for the same gene. If both the alleles are the same, they are said to be homozygous and the character is expressed.