genetics

Question 1

What is the basic unit of heredity in genetics?

Answer 1

Gene

Question 2

True or False: DNA stands for Deoxyribonucleic Acid.

Answer 2

True

Question 3

Fill in the blank: The physical expression of a gene is called its _____.

Answer 3

Phenotype

Question 4

What molecule carries genetic information in living organisms?

Answer 4

DNA

Question 5

Multiple choice: What are the four bases of DNA? A) Adenine, Guanine, Cytosine, Thymine B) Adenine, Guanine, Cytosine, Uracil C) Guanine, Cytosine, Thymine, RNA

Answer 5

A) Adenine, Guanine, Cytosine, Thymine

Question 6

What is the process by which DNA is copied to RNA?

Answer 6

Transcription

Question 7

True or False: A genotype refers to the genetic makeup of an organism.

Answer 7

True

Question 8

What is the term for different versions of a gene?

Answer 8

Alleles

Question 9

Fill in the blank: The observable traits of an organism are determined by its genotype and environmental influences, collectively known as its _____.

Answer 9

Phenotype

Question 10

Multiple choice: Which of the following is a type of RNA? A) mRNA B) tRNA C) rRNA D) All of the above

Answer 10

D) All of the above

Question 11

What is the name of the process by which cells divide to produce gametes?

Answer 11

Meiosis

Question 12

True or False: Chromosomes are made up of DNA and protein.

Answer 12

True

Question 13

What is the diploid number of chromosomes in humans?

Answer 13

46

Question 14

Fill in the blank: The section of DNA that codes for a specific protein is known as a _____.

Answer 14

Gene

Question 15

Multiple choice: Which genetic disorder is caused by an extra chromosome 21? A) Cystic Fibrosis B) Down Syndrome C) Sickle Cell Anemia

Answer 15

B) Down Syndrome

Question 16

What is the technique used to amplify DNA sequences?

Answer 16

Polymerase Chain Reaction (PCR)

Question 17

True or False: Genetic mutations can be beneficial, harmful, or neutral.

Answer 17

True

Question 18

What is the term for the study of heredity and the variation of inherited characteristics?

Answer 18

Genetics

Question 19

Fill in the blank: The law of segregation states that allele pairs separate during _____.

Answer 19

Gamete formation

Question 20

What type of inheritance pattern is shown by ABO blood types?

Answer 20

Codominance

Question 21

Multiple choice: Which of the following is NOT a type of RNA? A) mRNA B) tRNA C) dRNA D) rRNA

Answer 21

C) dRNA

Question 22

True or False: All mutations lead to changes in phenotype.

Answer 22

False

Question 23

What does the term ‘homozygous’ refer to?

Answer 23

Having two identical alleles for a particular gene

Question 24

Fill in the blank: The genetic makeup of an organism is referred to as its _____.

Answer 24

Genotype

Question 25

What is the primary function of ribosomes in a cell?

Answer 25

Protein synthesis

Question 26

True or False: Genetic engineering involves manipulating an organism's DNA.

Answer 26

True

Question 27

What is the name of the process by which mRNA is translated into a protein?

Answer 27

Translation