How Would You Go About Determining Whether a Trait Was

question 17

Essay

How would you go about determining whether a trait was controlled by a single gene or by polygenes? Would pedigree analysis be of use in answering this question?

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Definitions:

Interstitial Fluid

Fluid found between tissue cells that is absorbed by lymphatic capillaries to become lymph.

Viral Infection

An illness caused by viruses, microscopic infectious agents that replicate inside living cells of organisms.

Saliva

A watery fluid secreted into the mouth by glands, providing lubrication for chewing and swallowing, and aiding in digestion.

Lymphoid Tissue

Tissues that form part of the immune system, including the lymph nodes, spleen, and tonsils, which produce and store cells that help fight infection and disease.