Answer:
A
Explanation:
This showed that at one point all continents were joined
<span>taken or considered over a short time period; short-term.</span>
The following are the two conclusions that Morgan made about qualities and chromosomes:
1: Each chromosome is really a gathering of connected qualities.
2: Mendel's standard of autonomous combination still remains constant.
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Some don't have any able to see effects,but some cause diseases