A Protist Is a

question 16

Multiple Choice

A protist is a

• A) single-celled member of domain Archaea.
• B) single-celled member of domain Eukarya.
• C) multicellular member of domain Archaea.
• D) multicellular member of domain Eukarya.
• E) multicellular member of either domain Archaea or Eukarya.

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Definitions:

Chromosome

A chromosome is a long, continuous thread of DNA that contains numerous genes and regulatory elements, housed within the nucleus of every cell.

Testcross

Method of determining the genotype of an individual with a dominant phenotype: a cross between the individual and another individual known to be homozygous recessive.

Homozygous Dominant

An individual having two identical alleles for a trait on both homologous chromosomes, with both alleles being dominant.

Pleiotropy

A genetic phenomenon where a single gene influences multiple phenotypic traits, which can be seemingly unrelated.