Biologyhard · Past Paper
If a heterozygous tall plant (Tt) is self-pollinated, the ratio of pure tall to hybrid tall to pure dwarf in the offspring is:
A3:1
B1:2:1
C1:1:1
D9:3:3:1
✓ Correct Answer: B — 1:2:1
Self-pollination of Tt results in 1 TT (pure tall), 2 Tt (hybrid tall), and 1 tt (pure dwarf).
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