Which statement best describes an understanding of genetics that would be missing without the work of mendel?
a. the dna codes for traits would not be known.
b. the protein codes for traits would not be known.
c. some alleles are dominant, and some alleles are recessive.
d. offspring receive two copies of each allele from each parent.

Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.