Feb 2 Quiz

Question 1

Why is inbreeding potentially dangerous in human populations?

Answer 1

It concentrates recessive genes.

Question 2

A DNA nucleotide is composed of a

Answer 2

base, sugar and phosphate

Question 3

RNA that brings amino acids to the ribosome is

Answer 3

tRNA

Question 4

Which of the following involves the copying of DNA to RNA?

Answer 4

Transcription

Question 5

Proper order of protein synthesis

Answer 5

Transcription, translation, peptide bonds, visit the Golgi apparatus

Question 6

Process of copying DNA

Answer 6

replication

Question 7

DNA ligase

Answer 7

makes and inserted Gene stick to the plasmid vehicle.

Forms the phosphodiester bond between the unattached nucleotides

Question 8

mt DNA..

Answer 8

DNA that is kept in the mitochondria

Question 9

Insertion Mutation

Answer 9

extra base pairs inserted in new place

Question 10

CTGG AD
/\
TGG
CTGGTGGAD

Answer 10

Insertion mutation

Question 11

CTGGAG
❌
CT AG

Answer 11

Deletion Mutation

Question 12

THE FAT CAR SAT

HEF ATC ATS AT

Answer 12

Frame-shift mutation

Question 13

Frameshift Mutation

Answer 13

loose a letter then something shifts

Question 14

THE DOG BIT THE CAT…

THE DOG BIT THE CAR..

Answer 14

Point mutation

Question 15

Patau Syndrome

Answer 15

Female with extra #13
47,XX, +13
Result in serious eye, brain, and circulatory defects, harelip, cleft palate

Question 16

Edwards Syndrome

Answer 16

Male with extra #18
47,XY, +18
Severe mental and growth retardation, abnormalities in the heart and other organs, and malformed features that include a small chin, lower ears, cleft palate, and a web neck, flex limbs that have deformed hands and feet

Question 17

Down Syndrome

Answer 17

Female with extra #21

47, XX, +21

Question 18

Turner Syndrome

Answer 18

Female with only one X on #23

45, XO

Question 19

Klinefelter syndrome

Answer 19

Male with extra X on #23

47, XXY

Question 20

Cri du Chat Syndrome

Answer 20

Male missing top part of #5

46, XY, 5p-

Question 21

Triploid Syndrome

Answer 21

Three sets of chromosomes or mosaic

69 or mosiac (some have 46 others have 69)

Question 22

Father of genetics

Answer 22

Gregor Mendel

Question 23

Intermediate Inheritance

Answer 23

Mixing or averaging traits of parents. Not blending.

Question 24

Epistatic Genes (Epitasy)

Answer 24

Genes that control genes that are located in other places.

Question 25

Pleiotrophy

Answer 25

Simultaneously affects two or more traits.

Question 26

Polygenic traits

Answer 26

The additive effect of two or more genes on a single phenotypic characteristic

Question 27

Organisms that contain genes from other organisms are called

Answer 27

transgenic

Question 28

The function of gel electrophoresis is to

Answer 28

separate DNA fragments

Question 29

A DNA molecule produced by combining DNA from different sources is known as

Answer 29

Recombinant DNA

Question 30

Helicase

Answer 30

Unzips DNA and exposed its bases

Question 31

Single strand binding proteins (SSBs)

Answer 31

Keep DNA from reforming its double helix

Question 32

DNA polymerase

Answer 32

Attaches free bases to exposed bases.

5’ to 3’ direction

Question 33

What bond are nucleotides joined by

Answer 33

Phoshodiester Bonds

Question 34

The bases of DNA form in the middle with

Answer 34

weak hydrogen bonds

Question 35

Area where DNA separates

Answer 35

replication fork

Question 36

DNA primers made my enzyme

Answer 36

RNA primase

Question 37

DNA polymerase 3

Answer 37

Builds DNA from 5’ to 3’.

Question 38

DNA polymerase 1

Answer 38

Removes the primers and inserts DNA into the gaps. Also repairs DNA