What is the ratio of offspring in a test cross of a het... – Biology

Biologyhard · Past Paper

What is the ratio of offspring in a test cross of a heterozygous tall plant?

A3:1

B1:2:1

C1:1

D9:3:3:1

✓ Correct Answer: C — 1:1

Crossing $Tt$ with $tt$ results in 50% tall ($Tt$) and 50% dwarf ($tt$), which is a $1:1$ ratio.

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