Multiple Choice
Allele pairs are most likely to assort independently of one another when:
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3. Extensions to Mendelian Inheritance
Understanding Independent Assortment
Multiple Choice
Which of the following gametes cannot be formed from the genotype AaBBCc?
A
aBC
B
ABC
C
Abc
D
ABc
Verified step by step guidance1
Identify the genotype given: AaBBCc. This genotype consists of three gene pairs: A/a, B/B, and C/c.
Determine the possible alleles for each gene pair: For A/a, the possible alleles are A and a. For B/B, the only allele is B. For C/c, the possible alleles are C and c.
List all possible combinations of these alleles to form gametes: Each gamete will have one allele from each gene pair. The combinations are: ABC, ABc, aBC, and aBc.
Compare the given options with the possible gametes: The options are aBC, ABC, Abc, and ABc.
Identify the gamete that cannot be formed: From the possible gametes (ABC, ABc, aBC, aBc), the gamete 'Abc' cannot be formed because the B allele is always B, not b, in the given genotype.
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