What is the best evidence to prove that irene was heterozygous for hemophilia
a. alice carried the recessive allele
b. alexandra carried the recessive allele
c. fredrick carried the recessive allele
d. waldemar carried the recessive allele

Apuppy’s tendency to chew is inherited through which of the following? a. through learned behavior b.through genes c. through seasonal cycles d. through hibernation

1. in what ways have non-native species been beneficial? 2. what are some of the hypotheses for the collapse of honeybee colonies? 3. distinguish between regional and functional extinction. 4. why is it difficult to measure background extinction rates? 5. what three factors are most important in causing extinction rates to climb?

What is the name of the protein found in erythrocytes that transports respiratory gases and provides the red color?