The disproportionately high appearance of polydactylism among the amish suggests that a.. it is a common mutation. b.. it is a common birth defect in pennsylvania. c.. it was overrepresented in the gene pool of the original amish settlers. d.. humans are prone to this birth defect

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

Monitor and apply fix up strategies

Which organ controls breathing? lungs alveoli heart diaphragm