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Cyfarthfa B1Genetics

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