Genetics

2. Proteins are made of twenty amino _____.
3. The number of bases on DNA, which together from the 'genetic code'.
5. The two parts of protein formation are called transcription and ___________.
9. The unit of heredity.
11. The description of the physical characteristics of an organism.
12. You have 23 pairs of these.
13. The part of a cell where DNA is found.
16. One of a pair of genes which always shows it characteristics, no matter what the other gene in the pair is.
17. In the name mRNA, m stands for _________.
18. A particular characteristic controlled by alleles.
19. When certain traits are passed from parents to children.

1. Deoxyribonucleic acid.
2. The part of a gene which controls a trait.
4. One of a pair of genes which only shows its characteristics when NOT paired with a dominant gene.
6. The part of the cell where proteins are made.
7. In the name tRNA, t stands for _________.
8. Chemicals made by mRNA and tRNA in ribosomes.
10. The description of unique genetic makeup.
14. ______ cell anaemia, a genetic disease.
15. Gregor ______, a scientist known as the father of genetics.