Mutation

Question 1

refers to any change in the genetic material of the organisms.

Answer 1

Mutation

Question 2

Occurs in any body cell except egg cell

Answer 2

Somatic Mutation

Question 3

Occurs in the reproductive cell

Answer 3

Germ Mutation

Question 4

Classification of Mutation

Answer 4

Mutation due to changes in chromosome number
Mutation due to change in chromosome structure
Gene mutation

Question 5

Aberrations may include

Answer 5

Whole genome
Entire single chromosome
Parts of the Chromosomes

Question 6

a change in the entire set of the Chromosomes

Answer 6

Euploidy

Question 7

loss or addition of a single whole chromosome

Answer 7

Aneuploidy

Question 8

Characteristics more common in plants than in animals

Answer 8

Polyploidy

Question 9

Characterized by the multiplication of a single whole genome or chromosome

Answer 9

Autopolyploids

Question 10

Types of structural changes in the Chromosome

Answer 10

1. Deficiencies or Deletions
2. Duplication or Repeats
3. Inversion
4. Interchange or Reciprocal

Question 11

represent a loss of segment of the Chromosomes

Answer 11

Deficiencies or Deletions

Question 12

When the section of the Chromosomes is in excess of the normal amount

Answer 12

Duplication or Repeats

Question 13

due to the rotation of chromosome segment

Answer 13

Inversion

Question 14

Occurs when the single break in two non homologous chromosomes

Answer 14

Interchange or Reciprocal Translocation

Question 15

Involves a change in the nucleotide

Answer 15

Gene Mutation

Question 16

Categories of Gene Mutation

Answer 16

Base pair substitution
Frameshift mutation

Question 17

due to copy errors during DNA replication

Answer 17

Base pair substitution

Question 18

It is due to the substitution of purine with another purine or the substitution of one pyrimidine with another pyrimidine

Answer 18

Transition mutation

Question 19

Substitution of purine whith pyrimidine

Answer 19

Transversion Mutation

Question 20

an insertion or Deletion of a base that changes the reading frame of the entire subsequent sequence

Answer 20

Frameshift Mutation

Question 21

Classification of Gene Mutation

Answer 21

Base pair mutation
Frameshift Mutation

Question 22

Inversion which occurs when the centromere is not included in the inverted segment

Answer 22

Paracentric

Question 23

Inversion which occurs when the inverted segment includes the centromere

Answer 23

Pericentric

Question 24

Characterized by the multiplication of two or more genomes or chromosome sets

Answer 24

Allopolyploids

Question 25

Mutagenic Agents

Answer 25

Physical Mutagen
Chemical Mutagen
Environmental Mutagen

Question 26

Physical mutagen that can break the DNA strand

Answer 26

Ionizing Radiation

Question 27

Trisomy 21

Answer 27

Doen Syndrome

Question 28

Trisomy 18

Answer 28

Edward Syndrome

Question 29

Trisomy 13

Answer 29

Patau Syndrome

Question 30

2n=45, 22II

Answer 30

Turner’s Syndrome

Question 31

2n=47, 22II + XXY

Answer 31

Klinefelter’s Syndrome

Question 32

Mental retardation and premature menopause

Answer 32

Metafemale

Question 33

Antisocialism, aggressiveness, criminal tendency, and low IQ

Answer 33

Double Y Syndrome

Question 34

results to the formation of a termination or non sense codon

Answer 34

Non-Sense

Question 35

Results to substitution of an amino acid in the polypeptide chain

Answer 35

Missense

Question 36

does not change the type of amino acid in the polypeptide chain

Answer 36

Samesense

Question 37

Can impart enough energy causing mutation

Answer 37

Non ionizing radiation

Question 38

Changes CG pair to TA pair

Answer 38

Nitrous acid

Question 39

Substitute for DNA bases

Answer 39

Base analogues

Question 40

Inhibits spindle formation and prevents anaphase

Answer 40

Proflavin

Question 41

Blocks mitotic cells in metaphase

Answer 41

Colchicines