Ch. 5

Question 1

Each human cell has how many different chromosome pairs?

Answer 1

23 p.95-96

Question 2

The base used in transmitting genetic information needed for protein synthesis that replaces thymine in a RNA structure?

Answer 2

Uracil p.89

Question 3

Wound healing depends on:

Answer 3

Mitosis p.96

Question 4

Definition of a carrier?

Answer 4

heterozygous for a recessive trait but does not manifest the trait p.98

Question 5

Genomic mapping:

Answer 5

Give a chromosome location to genes
Assigns genes to particular chromosomes
helpful in mgmt of specific diseases
useful in predicting of diseases
p.99-100

Question 6

Meiosis occurs in which types of cells?

Answer 6

Gamete producing p. 96

Question 7

Polygenic inheritance

Answer 7

involves multiple genes p. 98

Question 8

23 paris of chromosomes, half mom, half dad, one of those is sex chromosome. What are the other 22 pairs called?

Answer 8

Autosomes p. 95

Question 9

RNA interference is:

Answer 9

A technology to stop faulty gene activity from producing unwanted disease proteins p. 103

Question 10

Difference between RNA and DNA:

Answer 10

RNA is a single-stranded molecule p.89

Question 11

Messenger RNA is the template for protein synthesis (true/false)

Answer 11

true p. 89-90

Question 12

International effort to develop a map to link genetic variations and complex diseases is known as:

Answer 12

HapMap p.99

Question 13

Gene on band 2, region 2 of the short arm of the X chromosome. documented as:

Answer 13

Xp22 p.96-98

Question 14

What is being compared when DNA fingerprinted is used in forensic pathology?

Answer 14

Banding pattern p. 103

Question 15

The inactive chromatin mass used to identify the genetic sex of unborn fetus under a microscope:

Answer 15

Barr body p.95

Question 16

Which type of RNA is a result of the process of transcription

Answer 16

Messenger RNA p. 91

Question 17

Xq97 would be found?

Answer 17

Band 9, region 7 long arm of X chromosome p.97

Question 18

Synthetic insulin was made possible by?

Answer 18

Recombinant DNA technology p. 87

Question 19

Explain an aspect of the underlying structure of DNA to a colleague who is unfamiliar with genetics?

Answer 19

In the base pairs, adenine combines with thymine and guanine with cytosine p. 88-89

Question 20

Transcription is initiated by which?

Answer 20

RNA polymerase p. 91

Question 21

A recessive trait occurs when:

Answer 21

Two copies (homozygous) of the recessive alle are present p. 98

Question 22

Three aspects that differ RNA from DNA:

Answer 22

Sugar in each nucleotide of RNA is ribose
RNA is single-stranded
RNA’s thymine base is replaced by uracil
p.91

Question 23

Definition of a haplotype:

Answer 23

Small variation in gene sequence p. 99

Question 24

Polygenic inheritance pattern means:

Answer 24

multiple genes at different loci p.98

Question 25

Enzymes that assist in repairing DNA defects by recognizing a defect, cleaving the abnormal chain, and removing the distorted regions?

Answer 25

Endonucleases p. 90

Question 26

The production of proteins requires DNA and second nucleotide RNA. This process is accomplished by which?

Answer 26

Transcription of the DNA code onto mRNA
Translation of mRNA cod by transfer RNA
p.93

Question 27

What kind of trait is expressed only in homozygous pairing?

Answer 27

Recessive trait p. 98