31-Mar-2022 Theme: 'Nucleic'

(1) What are the four bases (nucleotides) which form the ‘rungs’ of the DNA structure? (one point each).

Answer: Adenine, thymine, guanine, cytosine.

(2) Mitochondrial DNA is inherited from (a) father (b) mother (c) both (d) neither.

Answer: (b) mother.

(3) What does the ‘m’ stand for in mRNA?

Answer: Messenger.

(4) What genetic technology did US biochemist Kerry Mullis invent, winning him a joint Nobel Prize in 1994?

Answer: Polymerase chain reaction (PCR).

(5) What is ploidy?

Answer: The number of complete sets of chromosomes in a cell.

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