The pedigree above shows a cross between an affected female and unaffected male for Huntington's disease. Huntington's disease is autosomal dominant. If both parents have Huntington's disease, what are the chances that they will have children who do NOT have the disease?

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.

the correct answer is d