Biologymedium · Past Paper
In a cross between Tt and tt, what is the expected ratio of phenotypes?
A100% Tall
B75% Tall, 25% Dwarf
C50% Tall, 50% Dwarf
D100% Dwarf
✓ Correct Answer: C — 50% Tall, 50% Dwarf
This is a test cross (heterozygous x homozygous recessive), resulting in a 1:1 ratio.
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