Imagine a scenario where barr bodies are not due to randdom inactivation, but rather, the silencing is due to paternal imprinting (paternal allele is silenced). How would this change the frequency of red/green colorblindness between men and women in the popultion?

Joe is breeding cockroaches in his dorm room. he finds that the average wing length in his population of cockroaches is 4 cm. he chooses the six cockroaches that have the largest wings; the average wing length among these selected cockroaches is 10 cm. joe interbreeds these selected cockroaches. from earlier studies, he knows that the narrow-sense heritability for wing length in his population of cockroaches is 0.6. a. calculate the selection differential and expected response to selection for wing length in these cockroaches. b. what should be the average wing length of the progeny of the selected cockroaches?

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative