Assume you are studying the inheritance of flower color and seed color in navy beans and the yellow flower color is dominant over white and the white seed color is dominant over beige. You performed a test cross with a bean plant that was heterozygous for flower color and seed color.
a. What are the genotypes of the parents in this cross?
b. What would be your hypothesis if the two genes were on different chromosomes and following the laws of genetics?
c. Given the following results, would you reject or accept your hypothesis? Why?
Phenotypes
|
Number of Offspring
|
Yellow flowers, white seeds
|
75
|
Yellow flowers, beige seeds
|
87
|
White flowers, white seeds
|
92
|
White flowers, beige seeds
|
98
|