Punnett squares Knowledge-Based Download PDF
1 Biology practice questions on Punnett squares. Questions that assess core concepts and understanding.
Questions
- 1.
In pea plants, the allele for purple flowers (P) is dominant over the allele for white flowers (p). What percentage of offspring is expected to have white flowers in a cross between a heterozygous plant (Pp) and a homozygous recessive plant (pp)?