When Several Genes Contribute to a Particular Phenotypic Outcome, This

question 160

Multiple Choice

When several genes contribute to a particular phenotypic outcome, this is referred to as

• A) Mendelian inheritance.
• B) a heterozygous inheritance.
• C) multifactorial expression.
• D) polygenic inheritance.

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Definitions:

Basal Ganglia

Groups of neurons located deep within the brain, involved in movement and coordination.

Arachnoid Mater

One of the three meninges, the protective membranes that cover the brain and spinal cord, located between the dura mater and the pia mater.

CSF

Cerebrospinal Fluid (CSF) is a clear, colorless fluid that surrounds and cushions the brain and spinal cord, providing protection and facilitating nutrient transport.

Spinal Meninges

The protective membranes that cover the brain and spinal cord, consisting of three layers: dura mater, arachnoid mater, and pia mater.