Year 9 Biology · 9A Genetics and evolution · Part 2 of 2

DNA, extinction & evolution

The discovery of DNA, chromosomes and genes, genetic counselling, extinction, squirrels, biodiversity and natural selection (pages 12–19). The wrong options are often only slightly wrong — read every word. Then 3 written answers marked by AI.

1 · Discovering DNAWatson, Crick, Franklin, Wilkins

2 · Chromosomes & genes46, 23, X and Y

3 · Genetic counsellingA, T, G, C

4 · ExtinctionMeteorite, thylacine

5 · Squirrels & competitionRed vs grey

6 · Natural selectionMoths, tilapia, Darwin

New question types: as well as normal multiple choice you'll meet spot the mistakes (tap the wrong parts of a text), true / false sets, classify tables, matching, put in order, type the number and graph questions. Some are worth more than one point. Take your time; there's no timer.

Question 10 points

Written answers · marked by AI

Now explain in your own words

Three short written questions. Write a few sentences for each, in your own words. Spelling and grammar are not marked, only your biology. You can skip the marking if you'd rather just keep your points.

Marking your answers…

The AI teacher is reading what you wrote. This usually takes a few seconds.

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