Codominance

question 74

Multiple Choice

Codominance

• A) occurs when heterozygotes show a phenotype intermediate between those of the two homozygotes.
• B) involves the expression of both alleles at a locus producing two different phenotypes.
• C) is only found in mammalian enzyme production.
• D) involves one allele having more than one phenotypic effect.
• E) would result in pink flowers from a cross between white and red flowers.

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Definitions:

Innate Immunity

The body's first line of defense against infection that includes physical barriers, immune cells, and proteins, responding to pathogens in a generic way.

Helper T Cells

A type of T cell that plays a critical role in the immune response by activating and directing other immune cells.

Phagocytosis

The process by which cells, particularly immune cells, engulf and digest large particles or microorganisms.

MHC Class II

Molecules present on immune cells that present antigens to helper T cells, crucial for initiating immune responses.