Answer:
A
Explanation:
Reptiles arose about 310–320 million years ago during the Carboniferous period.
Transcription is a key regulatory<span> point for many</span>genes<span>. Sets of transcription factor proteins bind to specific DNA sequences in or near a </span>gene<span> and promote or repress its transcription into an RNA. RNA processing.</span>
Answer:
se llama cigoto
English: it is called the zygote