A population of Poison dart frogs can be red (RR), orange (Rr) or yellow (rr). The allele frequency of the mainland is R: 0.5 r: 0.5. A small group of the frogs moves to an island off the mainland. If the group is composed of 4 red and one orange frog, what would you expect to happen to the allele frequency?

Mutations associated with albinism affect proteins involved in synthesis

Coral reefs support more species per unit area than any other marine environment on earth. what is one way coral reefs are important to the health of the biosphere

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