Number 1 is fraternal (also known as dizygotic)
also sorry i don't know the second one
<span>There are four possible phenotypes with a dihybrid testcross. The 1:1:1:1 ratio means that there is an equal chance of any of the four expected phenotypes in the offspring.</span>
Answer:
Nitrogenous bases known as Glutamine, Thymine, Adenine, and Cytosine.
