Inbreeding is also an issue with a number of endangered species. Which of the following is NOT generally considered a threat to endangered species? A. poaching
B. competition for mates
C. clearcutting
D. introduction of non-native species

due to the fact that it skipped a generation we can tell it is definitely not a dominant trait, therefore it must be recessive. i think this is right let me know!

explanation:

geologic time scale (for gradpoint) =)

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).   so the answer is a.

which condition is a cause of impotency in men?

b. the inability of the penis to become erect