The genotype WW is best described as
homozygous recessive
homozygous dominant
heterozygous dominant
heterozygous recessive
The Correct Answer is B
A. homozygous recessive: That would be written as ww - both alleles being recessive.
B. homozygous dominant: WW means both alleles are dominant-this is homozygous dominant.
C. heterozygous dominant: That would be Ww-one dominant and one recessive allele.
D. heterozygous recessive: There is no such term; heterozygous always means one dominant and one recessive.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. positively charged; cations: Sodium (Na), potassium (K), and calcium (Ca) are metals that lose electrons, becoming positively charged ions, called cations.
B. negatively charged; cations: Cations are always positive. A negative ion is an anion.
C. positively charged; anions: The term anion refers to a negatively charged ion, not a positive one.
D. negatively charged; anions: These elements do not gain electrons-they lose them and do not become anions.
Correct Answer is C
Explanation
A. a colloid: A colloid has larger particles than a solution, but they do not settle out (e.g., milk).
B. a solution: In a solution, particles are completely dissolved and remain evenly distributed (e.g., salt water).
C. a suspension: In a suspension, particles are large, do not dissolve, and will settle out over time (e.g., muddy water).
D. a solute: A solute is a substance dissolved in a solvent-not a type of mixture.
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