Privileged Sites

question 30

Multiple Choice

Privileged sites:

• A)have M cells interspersed between epithelial cells
• B)include the uterus,anterior chamber of the eye and testes
• C)have especially strong immune responses against viruses
• D)are not accessible to most pathogens

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Definitions:

Dizygotic Twins

Twins that develop from two different eggs fertilized by two different sperm cells, making them genetically unique from one another, similar to typical siblings.

Heterozygous

A genetic condition where an individual has two different alleles of a gene.

Dominant–Recessive Pattern

The interaction of a heterozygous pair of alleles in such a way that the phenotype reflects one allele (the dominant gene) more than the other (the recessive gene).

Additive Pattern

A situation or process where the effects of separate factors combine in a straightforward, cumulative manner.