Immune competence develops in which of the following?

Which of the following statements related to osteoporosis is NOT correct?

A communicable disease is defined as any disease that can pass directly from one person to another.

Prostate tumors are inhibited by treatment suppressing estrogen.

Which of the following statements about chromosomal mosaicism is NOT correct?

Which of the following syndromes is a common abnormality in females and results from an absence of one X chromosome?

Which of the following refers to the absence of a chromosome?

Complement is activated only by the antigen-antibody interaction.

T cells are first positively selected in the thymus by binding to an HLA molecule.

Humans normally have 22 pairs of autosomes and 2 pairs of sex chromosomes.