In humans, the sex of a child is determined by the

A. number of autosomes in the sperm.
B. sex chromosome in the egg.
C. number of autosomes in the egg.
D. number of X chromosomes in the egg.
E. sex chromosome in the sperm.


E. sex chromosome in the sperm.

Biology & Microbiology

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Allografts

A. are normally rejected within hours. B. are grafts between non-identical members of the same species. C. would include the fetus. D. are grafts between non-identical members of the same species AND would include the fetus.

Biology & Microbiology

List the two adaptations plants have evolved to enhance their survival on land.

What will be an ideal response?

Biology & Microbiology

Due to the genetic similarities of non-pathogenic and pathogenic enterics, phenotypic assays are often performed in favor over taxonomy-based sequencing/probing to distinguish pathogens from non-pathogens

Indicate whether the statement is true or false.

Biology & Microbiology

Malpighian tubules are lined with which of the following to increase their absorptive surface area?

a. nephridia b. transport vesicles c. microvilli d. lysosomes

Biology & Microbiology