GENETICS REVIEW PART II

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8. In guinea pigs, black hair colour (B) is dominant and brown hair colour (b) is recessive. Long hair (L) is dominant and short hair (l) is recessive. Answer the following questions: (a) Diagram the cross: BBLl X bbll (b) How many of the offspring are Black and have short hair?

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19. These chromosomes can be paired and lined up onto a karyotype. Karyotypes can help us determine the sex of an organism as well as any what?

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