The Distinction Between Multifactorial and Polygenic Traits Is That

question 23

Multiple Choice

The distinction between multifactorial and polygenic traits is that

• A)polygenic traits are caused by more than one gene,and multifactorial traits are caused by one or more genes as well as environmental influences.
• B)multifactorial traits are not genetic,and polygenic traits are genetic.
• C)the genetic component can be determined for polygenic traits but not for multifactorial traits.
• D)polygenic traits are caused by more than one gene,and multifactorial traits are caused by only one gene.

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Definitions:

Nuclear DNA

The DNA contained within the nucleus of a cell, encoding for the majority of the organism's genetic information.

Cell Nucleus

A membrane-bound organelle found in eukaryotic cells that contains most of the cell's genetic material, organized as multiple long linear DNA molecules.

Mitochondrial DNA

The small circular DNA found in mitochondria, which are the energy-producing organelles within cells, passed down maternally.

Base Pairs

Pairs of nitrogenous bases that connect the complementary strands of DNA or RNA, consisting of adenine with thymine (or uracil in RNA) and cytosine with guanine.