BIO9 Genetics

3. The shape of DNA is a double _________.
5. Cat and dogs are two different _________.
7. The male sex cell.
9. The female sex cell.
11. The _________ of a species is the total number of individuals in a given area.
12. Rainforests have high _________ because of the presence of a large number of species and individuals.
14. The area where an organism lives in its _________.
15. A species becomes _________ when there are no living individuals left.
16. Different versions of the same gene is called _________.
19. Blood group is an example of _________ variation.
21. The chemical which is used to store information about your characteristics.
23. Natural _________ is the process proposed by Charles Darwin to explain how evolution occurs.
25. A _________ is a section of DNA which stored information for a characteristic of an organism.

1. Chihuahua and Labrador Retriever are two different _________.
2. The _________ of a rainforest includes insects, monkeys and plants, but NOT soil.
4. The process when a male sex cell is fused with a female sex cell.
6. DNA is coiled up into _________ inside the nucleus.
8. Sperm cells contain _________ the number of chromosomes when compared to kidney cells.
10. Sperm cells, egg cells and seeds are stored in _________ to maintain biodiversity.
13. Watson and Crick discovered the model of DNA using data by Wilkins and Franklin obtained using a technique called _________ crystallography.
15. The process by which a species changes gradually over time.
17. A species becomes _________ when there are only a small number living individuals left.
18. Individuals which are better adapted to the environment are more likely to _________ and reproduce.
20. You _________ physical characteristics such as eye colour from you parents.
22. Data involving continuous variation such as height should be plotted using a _________.
24. Genetic information is found inside the _________ of most cells.