In order to study the inheritance of two genes, the parents should be true-breeding for _______
A. a single contrasting characters
B. a pair of contrasting characters
C. a pair of chromosomes
D. a single chromosome
Answer:B
In order to study the inheritance of two genes, the parents should be true-breeding for _______
A. a single contrasting characters B. a pair of contrasting characters C. a pair of chromosomes D. a single chromosome