Quiz on Genetics

The term genetics is derived from the Greek word "gennan," which means:

• To divide

• To grow

• To generate

• To carry

Genetics is primarily concerned with the study of:

• Diseases only

• Nutrition and health

• Heredity and variations

• Evolution only

Genes, the unit of inheritance, are located on:

• Mitochondria

• Ribosomes

• Chromosomes

• Lysosomes

Who introduced the term chromosome in 1888?

• Mendel

• Morgan

• Waldeyer

• Watson

The total number of chromosomes in human somatic cells is:

• 22

• 23

• 46

• 48

A haploid cell (gamete) in humans contains:

• 44 chromosomes

• 46 chromosomes

• 23 chromosomes

• 21 chromosomes

How many pairs of autosomes are present in humans?

• 1

• 2

• 22

• 23

Which of the following is not a chemical constituent of chromosomes?

• DNA

• Histones

• Lipids

• RNA

Histones are:

• Acidic proteins

• Neutral proteins

• Basic proteins

• None of the above

The protective end structures of chromosomes are called:

• Centromeres

• Chromomeres

• Telomeres

• Introns