The Spread of Disease Where Nearly All Adjacent Individuals Are

question 13

Multiple Choice

The spread of disease where nearly all adjacent individuals are affected is an example of:

• A)relocation diffusion.
• B)independent infection.
• C)contagious diffusion.
• D)stimulus diffusion.

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Definitions:

Chromosome

A thread-like structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.

Locus

(pl., loci) The place on the chromosome at which the gene for a given trait occurs (i.e., a segment of the chromosomal DNA containing information that controls some feature of the organism); also called gene locus.

Homozygous

Having a pair of identical alleles for a particular locus. Compare with heterozygous.

Heterozygous

Describes an individual having two different alleles for a specific gene.