Genetics

3. When certain traits are passed from parents to children.
7. The description of the physical characteristics of an organism.
9. The part of a gene which controls a trait.
10. In the name tRNA, t stands for _________.
11. Chemicals made by mRNA and tRNA in ribosomes.
13. One of a pair of genes which always shows it characteristics, no matter what the other gene in the pair is.
16. The part of a cell where DNA is found.
17. You have 23 pairs of these.
19. Deoxyribonucleic acid.
20. The unit of heredity.

1. Gregor ______, a scientist known as the father of genetics.
2. The description of unique genetic makeup.
4. The two parts of protein formation are called transcription and ___________.
5. One of a pair of genes which only shows its characteristics when NOT paired with a dominant gene.
6. The number of bases on DNA, which together from the 'genetic code'.
8. A particular characteristic controlled by alleles.
12. The part of the cell where proteins are made.
14. Proteins are made of twenty amino _____.
15. In the name mRNA, m stands for _________.
18. ______ cell anaemia, a genetic disease.