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Cyfarthfa B1Genetics
| Term | Definition |
|---|---|
| Two alleles are the same | Homozygous |
| Two alleles are different | Heterozygous |
| The two alleles and organism has (represented by two letters) | Genotype |
| The physical features of an organism as a result of their genotype | Phenotype |
| Sex cells (eggs and sperm) | Gametes |
| Different versions of the same gene. | Allele |
| A section of a chromosome | Gene |
| The chemical that makes up the genetic code | DNA |
| The number of chromosomes in a human body cell | 46 |
| The number of chromosomes in a human gamete | 23 |
| The scientist who discovered the laws of inheritance | Mendel |
| The substances made by the cell using the genetic code | Protein |
| A change in a gene | Mutation |
| The strongest allele e.g B | Dominant |
| The weakest allele e.g b | Recessive |
| A genetic disease that causes thick sticky mucus to build up in the airways | Cystic fibrosis |
| If the normal allele is N and the cystic fibrosis gene is n, what is the genotype of a carrier? | Nn |
| Using the letter n, what is the genotype of someone who has cystic fibrosis? | nn |
| What type of treatment inserts thr normal gene into someone who has a genetic disease? | Gene therapy |
| What term is used to describe transferring a gene from one organism to another? | Genetic engineering |
| Used to cut a gene out of a chromosome | Enzyme |
Created by:
MissRParry
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