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Multiple Choice
What are the types of gametes that can be produced by an individual with the genotype aabbcc?
A
Abc
B
ABC
C
aBc
D
abc
Verified step by step guidance
1
Identify the genotype of the individual, which is 'aabbcc'. This means the individual is homozygous recessive for all three genes.
Understand that each gene pair (aa, bb, cc) can only produce one type of allele because they are homozygous. For 'aa', only 'a' can be produced; for 'bb', only 'b' can be produced; and for 'cc', only 'c' can be produced.
Recognize that gametes are formed by the combination of one allele from each gene pair. Since each gene pair is homozygous, there is only one possible combination: 'abc'.
Consider the process of meiosis, where homologous chromosomes separate, ensuring that each gamete receives one allele from each gene pair. In this case, each gamete will receive 'a' from 'aa', 'b' from 'bb', and 'c' from 'cc'.
Conclude that the only type of gamete that can be produced by an individual with the genotype 'aabbcc' is 'abc', as there are no other allele combinations possible.