Consider the case of dominant epistasis in squash, where yy and yy = yellow and yy = green. at a second, independently assorting locus, ww and ww = white, and ww allows for yellow or green. what is the expected phenotypic ratio among the progeny of the cross yyww × yyww? (note these are white squash.)

8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?

Agene editing technology called crispr-cas9 uses cellular machinery to change the cell's genetic material. how might this technology be useful in treating diseases like cancer?