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In the context of genetics, which of the following best describes the genotype of an individual?
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13. Mendelian Genetics
Genotype vs. Phenotype
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If a cat is heterozygous for both fur color and tail length, what would its genotype be?
A
AaBb
B
aabb
C
AABB
D
AaBB
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Understand the concept of heterozygosity: An organism is heterozygous for a trait if it has two different alleles for a gene. In this case, the cat is heterozygous for both fur color and tail length.
Identify the alleles involved: Typically, alleles are represented by letters. Here, 'A' and 'a' represent the alleles for fur color, and 'B' and 'b' represent the alleles for tail length.
Determine the genotype for heterozygosity: Since the cat is heterozygous for both traits, it must have one dominant and one recessive allele for each trait. This means the genotype for fur color is 'Aa' and for tail length is 'Bb'.
Combine the alleles to form the complete genotype: The genotype for a cat that is heterozygous for both fur color and tail length is 'AaBb'.
Review the options provided: Compare the genotype 'AaBb' with the given options to confirm that it matches the correct answer.
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