A female with two Barr bodies in her cells would have what combination of sex chromosomes?

A) XXY
B) XXXY
C) XXX
D) XX
E) XYY


Ans: C) XXX

Biology & Microbiology

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a. phagocytosis b. pinocytosis c. receptor-mediated endocytosis d. exocytosis

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At what stage of the meiotic cell cycle and during what chromosomal configuration does crossing over occur?

What will be an ideal response?

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Why did the length of the first leg of the voyage vary so much?

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Oak, maple, and beech trees lose their leaves each year. These organisms typically are found in which biome?

a) boreal forest b) deciduous forest c) grassland d) tundra

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