Guinea pigs have a gene that codes for black or brown fur. The allele for black fur (B) is dominant over the allele for brown fur (b).

Which combination of parental genotypes could produce offspring

with black fur as well as offspring with brown fur?

An engine undergoes a cycle as shown in the diagram. during a complete cycle the work done by the gas is 28.5×103 j and the energy transferred thermally out is 99.4×103 j. there are 1.5×1024 gas molecules and they have three active degrees of freedom. 6. (6 pts) during which process(es) is energy transferred thermally into the gas? a. 1→2 b. 2→3 c. 4→1 d. 1→2 and 4→1 e. none of the above