Desired traits expressed gene
selective breeding produces organisms with (
, while genetic
engineering actually changes how a specific ( is ( in an organism's off spring.

The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.

What processes take place before the mature mrna exits the nucleus?

Which fossil organism in whale evolution do you think was the first to live mostly in water? explain your claim with evidence and reasoning?