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PLEASE HELP ASAP PLEASE PLEASE PLEASE 10. Julie has red hair while Billy has brown hair. Explain how the differences in their chromosomes can account for this difference in appearance

Respuesta :

Humerus

Answer:

Hair colour is casue by of  DNA strand contained in the chromosome

Explanation:

A simplified answer to this is:

A chromosome contains a double stranded DNA, and DNA carries genetic information and accounts for gene expression. plus dna is unique to each individual.

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