Answer:
50% portion are from mother...
Explanation:
If crossing over does not occur then 3 auto-somes as well as one X chromosome shall always come from mother. Even if two XX were present in case of a female 50% of chromosomes shall always be contributed by the mother...
Answer:
A conclusion relates the evidence to the hypothesis and inference is a guess.
Explanation:
The opposite of synthesis is decomposition which involves the breaking down of elements or compounds or molecules into simpler ones. So, B.