Test crosses Knowledge-Based Download PDF

Questions

1. 1.

   In a test cross, a purple-flowered pea plant of unknown genotype is crossed with a homozygous recessive white-flowered plant, yielding offspring with approximately equal numbers of purple and white flowers. What is the genotype of the purple-flowered parent?

   • A) Homozygous dominant
   • B) Homozygous recessive
   • C) Heterozygous
   • D) Hemizygous