Monohybrid crosses Transitional Reasoning Download PDF

Questions

1. 1.

   In pea plants, the allele for tall stems (T) is completely dominant over the allele for short stems (t). Two heterozygous tall plants are crossed, producing a generation of both tall and short offspring. If a tall plant from this generation is selected at random, what is the probability that it carries the recessive allele?

   • A) 1/4
   • B) 1/2
   • C) 2/3
   • D) 3/4