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Unit 2 TEST

Total questions: 17

Worksheet time: 9mins

Name
Class
Date
1.

Fill in the blank with correct word:

The genetic material of all cells is _____________.

a)

DNA

b)

Ratio

c)

Clone

d)

meiosis

2.

A __________ compares or shows the relationship between two quantities.

a)

DNA

b)

Clone

c)

Meiosis

d)

Ratio

3.

A ________ is an organism, cell, or piece of genetic material that is genetically identical to the one from which it was derived.

a)

DNA

b)

Clone

c)

Ratio

d)

Meiosis

4.

____________ is the process of cell division that results in the formation of cells with half the usual number of chromosomes.

a)

DNA

b)

Clone

c)

Meiosis

d)

asxual

5.

The type of reproduction that results in offspring that are genetically ientical to the single parent is known as __________ reproduction.

a)

DNA

b)

Clone

c)

Asexual

d)

Meiosis

6.
a)

Sex-linked

b)

codominance

c)

complete dominance

d)

incomplete domiance

7.

What process dose a multicellcular organism use to replace its damaged body cells?

a)

Mitosis

b)

meiosis

c)

replication

d)

transcription

8.
a)

deletion

b)

insertion

c)

substitution

d)

transcription

9.

How does a sex cell differ from a body cell?

a)

A sex cell does not contain chromosomes

b)

A sex cell contains homologous chromosomes

c)

A sex cell has the same number of chorosomes as a body cell.

d)

A sex cell has half the amount of genetic material as body cell.

10.

How do the chromosomes at the end of meiosis I compare with the chromosomes at the end of meiosis II?

a)

Chromosomes have one chromatid at the end of both meiosis I and meiosis II

b)

Chromosomes have two chromatids at the end of both meiosis I and meiosis II

c)

Chromosomes have one chromatid at the end of meiosis I and two chromatids at the end of meiosis II

d)

Chromosomes have two chromatids at the end of meiosis I and one chromatid at the end of meiosis II

11.
a)

A pair only with C, and T pairs only with G

b)

A pairs only with T, and C pairs only with G

c)

DNA is amde up of nuclrotides that consist of a sugar, a phosphate, and a base

d)

The bases i DNA are arranged in the interior of a double helix, like rungs of a ladder

12.

Which of the following is an advantage of asexual reproduction?

a)

It is a slow process

b)

Two parents are needed

c)

The organism can increase in number quickly

d)

It introduces genetic diversity in the offspring

13.
a)

As a codominant trait

b)

As a recessive trait

c)

As a dominant trait

d)

As an incompletely dominant trait

14.

Which of the following statements correctly describes the function of cell division in unicellular organisms?

a)

Cell division allows the organism to grow

b)

Cell division allows the organism to reproduce

c)

Cell division allows the organism to produce sex cells

d)

Cell division allows the organism to repair damage to the cell

15.

Which statement about zygotes, which form by fertilization, is correct?

a)

Zygotes have a full set of chromosomes, receiving half from each parent.

b)

Zygotes have half the set of chromosomes from one parent only

c)

Zygotes have two full sets of chromosomes, one set from each parent

d)

Zygotes have half the set of chromosomes, one-fourth fro each parent

16.
a)

Each chromosome would still have two chromatids

b)

The Chromosomes would look the same as in mitosis

c)

You would be able to see DNA in the chromosomes during meiosis

d)

Homologous chromosomes would be moving to the same end of the cell

17.

If the sequence of bases in one strand of DNA is ATTCGAC, what will be the base sequence on the strand that is formed during replication?

a)

ATTCGAC

b)

TAAGCTG

c)

UAAGCUG

d)

AUUCGAC