The genes dumpy wings (dp), clot eyes (cl), and apterous wings (ap) are linked on chromosome ii of drosophila. in a series of two-point mapping crosses, the genetic distances shown below were determined. what is the sequence of the three genes?
a. dp-ap 42
b. dp-cl 3
c. ap-cl 39

Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat

What were the main components of earth’s earliest atmosphere? oxygen and ammonia hydrogen and helium oxygen and nitrogen hydrogen and nitrogen

Why did the federal government end its support of yucca mountain as a site for long-term storage of nuclear water