The small region of an inactivated X chromosome that is not inactivated contains ____________________ homologous to those on the Y chromosome

Fill in the blank(s) with correct word


genes

Biology & Microbiology

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The sex chromosome composition of a person with

Klinefelter syndrome is a. XXX. b. XO. c. XXY. d. XYY. e. none of these.

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An example of commercial harvest is the introduction of a foreign species into an area where it is not native. Indicate whether the statement is true or false

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The body contains 11 different organ systems. The ________ system is responsible for secreting the hormones that help integrate the body's activities.

A. endocrine B. integumentary C. circulatory D. nervous

Biology & Microbiology

Between 7 and 8 am, the lizard was likely exposed to solar radiation.

a. true b. false

Biology & Microbiology