DNA, Genes & Genetics MCQs with Answers

Crossing over of linked genes occurs during _ of meiosis.

• A.Prophase I
• B.Metaphase I
• C.Anaphase I
• D.Prophase II

What is a transgenic organism?

• A.Organism with naturally evolved genes
• B.Organism that reproduces without genetic material
• C.Organism with artificially inserted genes
• D.Organism that lacks a nucleus

The chromatids produced as a result of crossing over is called ?

• A.Recombinant chromatids
• B.Sister chromatids
• C.Non-sister chromatids
• D.Parental chromatids

On which of the following is an anticodon present?

• A.mRNA
• B.tRNA
• C.rRNA
• D.DNA

Nucleic acids are made up of?

• A.Amino acids
• B.Monosaccharides
• C.Fatty acids
• D.NTPs

RNA stands for ?

• A.Ribonucleic Acid
• B.Ribonuclear Acid
• C.Ribonucleic Alkali
• D.Ribosomal Nucleic Acid

Special enzyme used to cut DNA are called _?

• A.Endonucleases
• B.Ligases
• C.Polymerases
• D.Helicases

Which of the following is not the organic bases of DNA?

• A.Adenine
• B.Guanine
• C.Uracil
• D.Cytosine

On a DNA strand, nucleotides are linked together by?

• A.Glycosidic bonds
• B.Phosphodiester bonds
• C.Hydrogen bonds
• D.Peptide bonds

A mutation occurring in any cell that is not destined to become a germ cell is ?

• A.Somatic mutation
• B.Germline mutation
• C.Point mutation
• D.Silent mutation