Question 1

What is the name for duplicating DNA?

Accepted Answer

replication

Answer

translation

Answer

transcription

Answer

reproduction

Question 2

In DNA, what pairs with A (adenine)?

Accepted Answer

T (thymine)

Answer

G (guanine)

Answer

U (uracil)

Answer

C (cytosine)

Question 3

During replication, which enzyme unwinds DNA?

Accepted Answer

helicase

Answer

primase

Answer

lactase

Answer

ligase

Question 4

What is the monomer of DNA?

Accepted Answer

nucleotides

Answer

sugars

Answer

phosphates

Answer

bases

Question 5

What is the structure of DNA?

Accepted Answer

double helix

Answer

single strand

Answer

spherical

Answer

octagon

Question 6

A change in DNA is called a...

Accepted Answer

mutation

Answer

transcription

Answer

translation

Answer

separation

Question 7

In DNA, what pairs with C (cytosine)?

Accepted Answer

G (guanine)

Answer

U (uracil)

Answer

A (adenine)

Answer

T (thymine)

Question 8

What are the three types of RNA?

Accepted Answer

mRNA, tRNA, rRNA

Answer

rRNA, tRNA, xRNA

Answer

mRNA, aRNA, rRNA

Answer

dRNA, tRNA, kRNA

Question 9

Three consecutive bases of mRNA is a...

Accepted Answer

codon

Answer

triplet

Answer

anticodon

Answer

DNA

Question 10

Where would you find a anticodon?

Accepted Answer

tRNA

Answer

mRNA

Answer

rRNA

Answer

DNA

Question 11

Undifferentiated cells are...

Accepted Answer

stem cells

Answer

eukaryotic cells

Answer

prokaryotic cells

Answer

plant cells

Question 12

Adding a base to a DNA strand causes a _______________________ mutation.

Accepted Answer

insertion

Answer

erase

Answer

deletion

Answer

substition

Question 13

Where does transcription occur?

Accepted Answer

nucleus

Answer

ribosome

Answer

chloroplast

Answer

mitochondria

Question 14

A mutation can be...

Accepted Answer

harmful, beneficial or neutral

Answer

neutral

Answer

harmful or neutral

Answer

harmful only

Question 15

Which of the following cells is a gamete?

Accepted Answer

sperm cell

Answer

nerve cell

Answer

muscle cell

Answer

blood cell

Question 16

Which of the following is a haploid cell?

Accepted Answer

egg cell

Answer

nerve cell

Answer

muscle cell

Answer

skin cell

Question 17

A segment of DNA that codes for a protein (or trait) is a...

Accepted Answer

gene

Answer

chromosome

Answer

golgi body

Answer

mutation

Question 18

The process in which proteins are synthesized from mRNA is...

Accepted Answer

translation

Answer

transcription

Answer

replication

Answer

mutation

Question 19

What is the production of sperm called?

Accepted Answer

spermatogenesis

Answer

oogeneis

Answer

meiosis

Answer

mitosis

Question 20

What kinds of cells are produced by meiosis?

Accepted Answer

haploid cells

Answer

somatic cells

Answer

diploid cells

Answer

body cells

Question 21

How many chromosomes are in a human egg cell?

Accepted Answer

23

Answer

46

Answer

2

Answer

44

Question 22

What is genotype?

Accepted Answer

the genetic make-up

Answer

gamete

Answer

physical characteristics

Answer

chromosome length

Question 23

Which of the following is an example of a heterozygous genotype?

Accepted Answer

Bb

Answer

bb or BB

Answer

bb

Answer

BB

Question 24

Which of the following is an example of a homozygous genotype?

Accepted Answer

HH

Answer

HhGg

Answer

Hh

Answer

Hg

Question 25

In a cross of PP x pp, what percent of the offspring are heterozygous?

Accepted Answer

100

Answer

0

Answer

50

Answer

25

Question 26

A trait that is determined by many different genes is...

Accepted Answer

polygenic

Answer

sex-linked

Answer

multifactoral

Answer

monohybrid

Question 27

What is true about linked genes?

Accepted Answer

They are located on the same chromosome.

Answer

They are located in the same gene.

Answer

They have identical DNA.

Answer

They are not on the same chromosome.

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