Question

gregor mendel studied the inheritance of traits in pea plants. one trait he examined was the height of the plant. pea plants with the dominant t allele grew tall, and pea plants with the recessive allele t were short. according to mendels principles of heredity, if a homozygous tall pea plant was crossed with a homozygous short pea plant, approximately how many of their offspring would have the short phenotype? a 0% b 25% c 50% d 100%

Explanation:

Step1: Identify parent genotypes

Homozygous tall: TT; homozygous short: tt.

Step2: Determine gametes

TT produces T gametes; tt produces t gametes.

Step3: Predict offspring genotypes

All offspring get T + t → Tt.

Step4: Determine phenotype

Tt has dominant tall phenotype; no short offspring.

Answer:

A. 0%