Biology 0610 · IGCSE · Monohybrid inheritance

Monohybrid inheritance — practice question

In pea plants, the allele for tall, $T$, is dominant over the allele for dwarf, $t$. Which cross would give plants in the ratio of $1$ tall : $1$ dwarf?

  • A$TT \times Tt$
  • B$Tt \times Tt$
  • C$Tt \times tt$
  • D$tt \times tt$

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