If R = red and r = white, what would be the result of a cross between a heterozygous female (red-eyed with one recessive allele) and a recessive male? A. 25% red-eyed female, 25% white-eyed female, 25% red-eyed male, 25% white-eyed male
B. 25% white-eyed male, 25% red-eyed male, 50% and red-eyed female offspring
C. 0% chance of white-eyed flies

Which sequence correctly shows the path of carbon dioxide during repiration?

20. in humans, freckles are dominant to no freckles. trey has no freckles and his wife anna grace has freckles, but her dad doesn't. they want to know what percentage of their kids would look like trey. show a punnett square to support your answer.

Some species of wasps are social. the queen starts a colony from scratch each spring. she builds a small nest, and lays and raises a group of female workers. the workers enlarge the nest while the queen continues to lay eggs. unfertilized eggs become males that mate with newly hatched females. all of the wasps except the newly fertilized females die by the summer. which best describes this behavior? a)it is beneficial only to the males that do not fertilize eggs. b)it is beneficial only to the female workers that are not fertilized. c)it is beneficial to each one of the individual colony members. d)it is beneficial to the whole species, but not to all of the individual members.