CP2 Final Study Guide

In humans, gametes contain

• 45 autosomes and 1 sex chromosome

• 1 autosome and 22 sex chromosomes

• 22 autosomes and 1 sex chromosome

• 1 autosome and 45 sex chromosomes

Tallness (T) is dominant to shortness (t) in pea plants. Which of the following represents a genotype of a pea plant that is heterozygous for tallness?

• T

• TT

• Tt

• tt

If nondisjunction occurs,

• no gametes will be produced.

• mitosis cannot take place.

• a gamete will receive too many or too few copies of a chromosome.

• there will be too many gametes produced.

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NGSS.HS-LS3-2

Crossing-over occurs

• during prophase II

• during prophase I

• at the centromere

• during fertilization

Each of the following is a type of RNA except

• transfer RNA.

• carrier RNA.

• messenger RNA.

• ribosomal RNA.

A haploid cell is one that

• is designated by the symbol 2n.

• has chromosomes found in pairs.

• has one set of chromosomes.

• has two homologues of each chromosome.

Light energy is converted to chemical energy through the process of

• glycolysis.

• cellular respiration.

• fermentation.

• photosynthesis.

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NGSS.HS-LS1-5

Which of the following shows the correct sequence of the cell cycle?

• cytokinesis-mitosis-G1-S-G2

• S-G1-G2-mitosis-cytokinesis

• mitosis-G1-S-G2-cytokinesis

• G1-S-G2-mitosis-cytokinesis

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NGSS.HS-LS1-4

Homologous chromosomes are pairs of chromosomes containing genes that code for

• DNA.

• the same trait.

• sex.

• different traits.

Chlorophyll is green because

• it reflects green wavelengths of light.

• it absorbs green wavelengths of light.

• it absorbs blue and yellow wavelengths, which make green.

• of an optical illusion caused by transmitted light.

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NGSS.MS-LS1-6