Crossing-over can happen during which stage?
prophase ii
prophase i
metaphase i
none of the above

Asap. this question is 100 points if you answer it question: describe the basic relationship between ocean depth and temperature seen in the graph

How many chromosomes does each human cell contain? a. 23 chromosomes b. 26 chromosomes c. 43 chromosomes d. 46 chromosomes

To confirm when to exclude children from school it’s recommended that you refer to guidelines from which of the following organizations