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Thomas Hunt Morgan - For each chromosome contributed...
For each chromosome contributed by the sperm there is a corresponding chromosome contributed by the egg, there are two chromosomes of each kind, which together constitute a pair. (Thomas Hunt Morgan)

For each chromosome contributed by the sperm there is a corresponding chromosome contributed by the egg, there are two chromosomes of each kind, which together constitute a pair.

Thomas Hunt Morgan

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chromosome constitute corresponding egg kind pair sperm

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