Males never give an X chromosome to any of their sons

a. True
b. False


True

Biology & Microbiology

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Patients infected with Mycobacterium tuberculosis in environments where drug resistance is expected or has already been identified usually have to take antibacterial drugs for six months to ensure the infectious agent is completely killed

Indicate whether the statement is true or false.

Biology & Microbiology

Iron meteorites are rare to observe as meteoroids near Earth

a. True b. False Indicate whether the statement is true or false

Biology & Microbiology

Double fertilization means that _____

A) flowers must be pollinated twice to yield fruits and seeds B) one sperm is needed to fertilize the egg, and a second sperm is needed to fertilize the polar nuclei C) the egg of the embryo sac is diploid D) every sperm has two nuclei

Biology & Microbiology

gonads begin to develop

What will be an ideal response?

Biology & Microbiology