Answer the following statements true (T) or false (F)

1, In insects, as in humans, the presence of a Y chromosome determines maleness.
2, If you were to examine a typical population at a single locus, you would find more copies of the wild-type allele than any other allele.
3, An individual with an SRY gene is a male mammal.
4, Only fathers can pass on pattern baldness to their sons.


1, TRUE
2, TRUE
3, TRUE
4, FALSE

Biology & Microbiology

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How do scientists propose that coconuts traveled from tropical locales to Hawaii?

a. by air b. by birds c. by humans d. by wind

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The American kangaroo rat is characteristic of the desert biome

____________________ Indicate whether the statement is true or false.

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