A-Level Biology Unit 4 (WJEC)
Biology
This deck includes all the cards I made in preparation for my unit 4 biology exam. These cards were made specifically with the WJEC exam board content so may not be useful if you have a different exam board.
Sample Data
| Front | How does non-disjunction cause downs syndrome?
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| Back | The 21st homologous chromosomes fail to segregate and a gamete can contain 24 chromosomes. The fusion of the gamete with a normal one with 23 chromosomes results in the zygote having 47 chromosomes |
| Tags | Biology_Unit04_Inheritance |
| Text | Courtship practices are {{c1::innate}} and therefore ensure {{c1::intraspecific mating}} and increase likeliness of producing {{c1::fertile offspring.}} |
| Tags | Biology_Unit04_Neurobiology_Behaviour |
| Front | What are the cells on the outside of the blastocyst called? |
| Back | Trophoblast |
| Tags | Biology_Unit04_Reproduction_Humans |