chapter 6

1

100

Who bred the pea plants?

A. Flo Rida

B. Albert Einstein

C. Gregor Mendel

D. Chuck Norris

C. Gregor Mendel

200

Which of the following statements is correct?

Chromatids separate during anaphase I.

Crossing over occurs during mitosis.

Homologous chromosomes pair up during prophase I.

In meiosis, the cell only divides once.

Homologous chromosomes pair up during prophase I.

300

The diploid chromosomal number of a cat is 38. If one of the homologous chromosome pairs does not separate during meiosis I, how many chromosomes can be found in the gametes?

A)18

B)19

C)37

D)38

A)18

400

Even though your body changes and you develop new physical and behavioral characteristics, your ___ never changes.

  a. archetype

  b. phenotype

  c. appearance

  d. genotype

d. genotype.

500

During which phase does the cell prepare for division?

A. Interphase

B. Prophase

C. Telophase

D. Metaphase

A. Interphase

2

100

Which is a purebred?

A. TT

B. Tt

C. tt

A. TT

200

Which of the following is responsible for producing two identical daughter cells during mitosis?

A)The two sister chromatids are joined together at the centromere

B)The chromosomes shorten and thicken during prophase

C)Each chromatid from one chromosome moves to the opposite poles 

D)The chromosomes line up at the equator of the cell

C)Each chromatid from one chromosome moves to the opposite poles

300

Each of our ___ consists of tightly coiled DNA.

  a. chromosomes

  b. cell proteins

  c. nucleotides

  d. amino acids

a. chromosomes.

400

The fusion of your father’s sperm and your mother’s egg is referred to as

  a. gene expression.

  b. spermatization.

  c. fertilization.

  d. epigenetics.

  c. fertilization.

500

The number of chromosomes in a human cell is:

A. 23

B. 46

C. 52

D. 2

B. 46

3

100

How many daughter cells are formed after 1 round of Meiosis?

A.2

B.4

C.6

D.8

B.4

200

Which of the following cells undergo meiosis?

A. Germ cells

B. Somatic cells

C. Both A and B

D. None of the above

A. Germ cells

300

During which stage of Mitosis do chromatids separate to form two sets of daughter chromosomes?

A. Anaphase

B. Metaphase

C. Interphase

D. Telophase

A. Anaphase

400

During which phase of Meiosis does crossing-over occur?

A. Prophase I

B. Metaphase II

C. Anaphase I

D. Interphase

A. Prophase I

500

During which phase of Meiosis do chromosomes divide at the centromeres?

A. Anaphase II

B. Prophase II

C. Metaphase I

D. Metaphase II

A. Anaphase II