Biology, asked by grey1204, 3 months ago

why do we need to discuss the structure of the chromosome prior to mendelian principles?

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Answered by pranav20071011

Answer:

External fertilization usually occurs in aquatic environments where both eggs and sperm are released into the water. After the sperm reaches the egg, fertilization can then take place. ... External fertilization in an aquatic environment protects the eggs from drying out.

Explanation:

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