Attached earlobes (e) are completely recessive to free earlobes (E). Hair growing between y our middle knuckles (H) is dominant over no hair (h). Facial dimples (D) are dominant over no dimples (d). What phenotype ratios are expected from the following cross? EeHHdd x EEHADD у

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

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

Blood stem cells may develop into any kind of human blood cells. what kind of stem cells are blood stem cells? a. multipotent stem cells o b. totipotent stem cells o c. pluripotent stem cells o d. unipotent stem cells