07-Jul-2022 Theme: 'DNA'

(1) Does the DNA double helix have a right-hand or left-hand thread?

Answer: Right hand.

(2) What does the ‘e’ stand for in eDNA?

Answer: Environmental.

(3) Emmanuelle Charpentier and Jennifer Doudna won a Nobel Prize in 2020 for developing what revolutionary DNA editing tool?

Answer: CRISPR

(4) Swiss physician Friedrich Miescher was the first scientist to isolate DNA. In what year? (a) 1869 (b) 1899 (c) 1929 (d) 1959.

Answer: (a) 1869.

(5) What two DNA milestones were set in the UK by Richard Buckland (1986) and Colin Pitchfork (1987)?

Answer: Buckland was the first suspected murderer found innocent due to DNA fingerprinting. Pitchfork was the first criminal successfully identified using DNA fingerprinting (for the same murders).

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