biology genetics

2. dystrophy, the group of disorders in which muscle size and strength gradually decrease over time
3. an inherited disorder in which blood fails to clot normally because of deficiency or abnormality of one of the clotting factors
6. the study of structure and function of the cell
7. a diagram showing the relationship between people in the family
8. a dominant allele doesn´t completely mask the effects of a recessive allele: __________ dominance
12. a group of inherited disorders in which there is little or no production of melanin
14. an organism with non-identical pairs of genes (alleles) for a specific trait
15. an organism with identical pairs of genes (alleles) for a specific trait
17. a dominant allele completely masks the effects of the recessive allele: ___________ dominance
19. same genotype and phenotype in the F1 generation

1. an inherited blood disorder in which the body produces an abnormal from of haemoglobin
4. syndrome, a chromosomal disorder caused by an error in cell division that results in an extra 21st chromosome
5. the branch of science which deals with the study of heredity
6. fibrosis, an inherited disorder that affects the production of mucus, sweat and digestive enzymes
9. observable characteristics or traits of organism
10. the branch of genetics which studies structure and function of chromosomes
11. genetically identical individual that is earned by asexual reproduction
13. type, a homozygous male AB-type and heterozygous B type female have children. Which blood type will their children most likely have (the blood type with the highest percentage)
16. neither allele can mask the effects of the other, they are both dominant
18. organisms which have 2n chromosomes (plants)