LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

GENETICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
TT, tt, PP, pp, SS, ss are examples of alleles that are?
A
homozygous
B
heterozygous
C
different
D
homologous
Explanation: 

Detailed explanation-1: -The correct answer is: Homozygous.

Detailed explanation-2: -Genotype and Phenotype For each gene, an organism has two alleles, one on each chromosome of a homologous pair of chromosomes (think of it as one allele from Mom, one allele from Dad). The genotype is represented by letter combinations, such as TT, Tt, and tt.

Detailed explanation-3: -PP – homozygous dominant – two copies of the dominant (purple) allele. Pp – heterozygous– one purple allele, one white allele (flowers appear purple).

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