Frogs have 13 pairs of chromosomes. complete this model by writing in the correct number of chromosomes for the sperm, egg, and fertilized egg of a frog. then write in the type of cell division taking place in the two phases shown in the model.

Which of the following occurs after a natural or unnatural disturbance in an ecosystem

What is used to keep track of the gamates and possible offsprings combination

Awoman whose sister tested positive for a specific mutation in the brca1 gene, which increases the risk for breast and ovarian cancer, is found not to have that mutation but does have a mutation of unknown significance near the known mutation site. how should this woman be counseled? select one: a. she should be informed that her risk for breast cancer is greater than the general population but not as great as her sister’s risk. b. she should be informed that because she does not have the mutation, her risk for breast cancer is not greater than that of the general population. c. she should be informed of her gene mutation status and be presented with all the available prophylaxis options and reconstruction options. d. she should be informed that she does not have the specific mutation but that because another mutation is present she should be vigilant about screening