A Father does not know his blood type. His child is blood type A. His wife, the mother, has blood type AB. The man believes he has blood type B.
a. Is the father correct? Draw a Punnet square to defend your answer.
b. Is it possible that the father is a different blood type? If so, which bloodtype(s)? Defend your answer.
Mom second guesses herself and now believes that she has bloodtype 0. Is this possible? Why or why not?
Defend your answer.

Which of the following types of rock would most likely contain a fossil? slate granite lava rock limestone

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

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?