What are two environmental pressures of blue footed boby ? Describe them

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

Select the correct answer. tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d

Pulmonary arteries carry highly oxygenated blood. true or false?