Answer:
What does the letters represent on the homologous chromosomes?
The letters represent allele which occurs in pairs e.g Aa or AA
Explanation:
Which of the following adaptations to life on land is found in both insects and modern reptiles?
I'm not 100% sure, but I think the correct choice is tracheae to distribute oxygen (B).
Hope this helped :)
TO THIS QUESTION IS CLAY SOIL BECAUSE IT ABSORBS MORE