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3. Extensions to Mendelian Inheritance - Part 1 of 2

3. Extensions to Mendelian Inheritance / Sex Chromosome / Problem 10

In the _ sex determination system, sex is decided by the presence or absence of a chromosome, but in the _ scheme, the Y chromosome may be sex-determining.

A

XX/XO; XX/XY

B

XX/XY; XX/XO

C

XX/XY; XY/XX

D

XX/XO; XY/XX

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