객관식
Which of the following is not a phenotype?
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13. Mendelian Genetics
Genotype vs. Phenotype
객관식
Which of the following genotypes is homozygous dominant?
A
aa
B
AA
C
aA
D
Aa
검증된 단계별 안내1
Understand the concept of homozygous dominant: A genotype is considered homozygous dominant when both alleles for a trait are dominant. In genetic notation, this is represented by two uppercase letters, such as 'AA'.
Review the given genotypes: The problem provides several genotypes: 'aa', 'AA', 'aA', and 'Aa'.
Identify the genotype that is homozygous dominant: Look for the genotype that consists of two identical dominant alleles. In this case, it is 'AA'.
Differentiate between homozygous and heterozygous: Homozygous genotypes have identical alleles (either both dominant or both recessive), while heterozygous genotypes have one dominant and one recessive allele, such as 'Aa'.
Confirm the correct answer: Based on the definition of homozygous dominant, the genotype 'AA' is the correct answer as it consists of two dominant alleles.
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