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nicolenam nicolenam
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12 years ago
Crossing over contributes to genetic variation by exchanging chromosomal segments
between
1. sister chromatids of a chromosome.
2. chromatids of nonhomologues.
3. nonhomologous loci of the genome.
4. nonsister chromatids of homologues.
5. autosomes and sex chromosomes.
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how_mendelhow_mendel
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12 years ago
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