Question

Two plants that are pure bred are crossed. One is short and one is tall, Tall is dominant. If two of their offspring are crossed, what are the
expected phenotypes for the next generation of offspring (F2 generation)?
A. 50% tall, 50% short
B. 100% tall
C. 75% tall, 25% short
D. 100% short

Answer 1

Answer:

C

Explanation:

after doing the genetic cross the parents will be TT so when you cross you get all are Tt if you cross F1 you get a ratio of

1tall:2heterozygous tall:1short

so tall are 75%and short is 25%