Imagine That You Self-Pollinate Heterozygous Purple-Flowered, Long-Pollened Pea Plants and Get

Multiple Choice

Imagine that you self-pollinate heterozygous purple-flowered, long-pollened pea plants and get mostly purple-flowered, long-pollened plants and white-flowered, short-pollened plants, with a few purple-flowered, short-pollened or white-flowered, long-pollened plants. What is the most likely explanation?

A) The genes for flower color and pollen length are linked.
B) The gene for flower color is on a sex chromosome.
C) Long pollen is often lethal, so few plants with long pollen survive to adulthood.
D) The purple allele influences pollen to become shorter.
E) This is a normal random variation from the expected ratio for independent assortment.