Which of the Following Statements Is Correct Concerning Membrane-Coding (MC)exons

question 6

Multiple Choice

Which of the following statements is correct concerning membrane-coding (MC) exons of immunoglobulin genes?

• A)MC exons are located upstream (5′)of the constant-domain exons.
• B)MC exons code for amino acids that anchor and stabilize the light chain to the membrane of B cells.
• C)MC exons specify transmembrane hydrophobic amino acids that associate with the B-cell membrane.
• D)MC exons are removed from primary RNA transcripts as a consequence of alternative mRNA splicing when secreted antibodies are produced by plasma cells.
• E)Somatic hypermutation causes alteration in the coding sequence of MC exons.

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Definitions:

Environmental Influences

The impact of external factors such as culture, climate, and social interactions on an individual's development and behavior.

Heritability

The proportion of variation among individuals that we can attribute to genes. The heritability of a trait may vary, depending on the range of populations and environments studied.

Behavior Geneticist

A researcher who studies the genetic and environmental influences on behaviors, often through twin and adoption studies.

Hereditary Influences

The genetic factors and attributes passed from parents to offspring that impact various aspects of development and behavior.