They say we have lots of old retrovirus DNA in our genome. You would think this DNA invades heritable cells all the time, but in the
past 60 million years, our genome has only been invaded
Select one:
30-40 times
0 40,000 times
O 500-600 times
O 12 times

your answer is rna to the question.

the answer is sex-linked recessive.

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms