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Aleks [24]
3 years ago
10

Fill in the blanks---

Biology
1 answer:
mr Goodwill [35]3 years ago
3 0
A chromosome contains one long DNA molecule.

Each gene in this DNA molecule gives the instructions for making a protein.

Both chromosomes in a pair of homologous chromosomes have the same genes, but the genes in these 2 homologous chromosomes may have different alleles.

Alleles are basically different versions of the given gene.
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