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Science 21 Online
Gucchi:

A person has a sex-linked inheritable disease. Which statement is true about the set of chromosomes which are likely to carry the genes for this disease? The gene is present on a single pair of chromosomes. The gene is present multiple pairs of chromosomes. The gene is always present on an X chromosome. The gene is always present on a Y chromosome.

Gucchi:

Am I right with C?

Gucchi:

@az

Gucchi:

@darkknight

darkknight:

so females do not have a Y chromosome, so D is immediately incorrect but you are right with C

darkknight:

always present on an X-chromosome

Gucchi:

thank you

darkknight:

np

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