Nucleic Acid & Heredity

Question 1

Evident or manifested in majority of the offspring or
children

Answer 1

Dominant

Question 2

May be seen only in a minority of offspring

Answer 2

Recessive

Question 3

Physical and observable aspects of heredity

Answer 3

Phenotype

Question 4

Non-observable and non-physical aspects of heredity

Answer 4

Genotype

Question 5

Obligate intracellular organisms

Answer 5

Viruses

Question 6

Viral viruses

Answer 6

Bacteriophage

Question 7

DNA or RNA viruses

Answer 7

Animal viruses

Question 8

Acidic, Soluble in bases (forms salts), Precipitated by acetic acid; redissolved by dilute HCl
•Not coagulated by heat

Answer 8

Nucleoproteins

Question 9

Causes DNA to unwind

Answer 9

Helicase

Question 10

Joins Okazaki fragments together

Answer 10

Ligase

Question 11

Catalyzes the formation of new phosphodiester linkage between the nucleotide and the growing DNA strand

Answer 11

Polymerase

Question 12

Change in the DNA base sequence that alters the structure and function of the protein

Answer 12

Genetic Mutation

Question 13

Replaces one base in DNA with a different base

Answer 13

Substitution

Question 14

Inserts or deletes a base in the DNA sequence

Answer 14

Frame Shift Mutation

Question 15

Leading cause of mental retardation (1:800)

Answer 15

Trisomy 21

Question 16

Defective hemoglobin gene on
Chromosome 11, Priapism

Answer 16

Sickle Cell Anemia

Question 17

Physical characteristics of Down syndrome

Answer 17

Almond shaped eyes

Question 18

Absence of transferase enzyme for the metabolism of galactose-1-phosphate that may lead to cataract formation and mental retardation

Answer 18

Galactosemia

Question 19

Most common inherited disease of the lungs

Answer 19

Cystic Fibrosis

Question 20

Mutation on the Chromosome 19! Too much high cholesterol levels , Early CHD

Answer 20

Familial Hypercholesterolemia

Question 21

Poor blood coagulation, AKA Royal Blood Disease

Answer 21

Hemophilia