A Situation in Which the Combined Effect of Several Exposures

question 2

Multiple Choice

A situation in which the combined effect of several exposures is greater than the sum of the individual effects is:

• A) threshold.
• B) latency.
• C) synergism.
• D) None of these is correct.

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Definitions:

Incomplete Dominance

A genetic phenomenon in which a dominant allele does not completely mask the effects of a recessive allele, resulting in a third, often blended phenotype.

Heterozygous

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

Blood Type

A classification of blood based on the presence or absence of inherited antigenic substances on the surface of red blood cells, which can affect blood transfusions compatibility.

Identical Twins

Twins that originate from the same fertilized egg, sharing 100% of their genetic material and typically having very similar appearances.