Criado por Beccy Stead
mais de 8 anos atrás
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Questão | Responda |
Genotype | genetic make up of an organism |
Mutation | any change to the genotype (includes substitution, deletion or addition of bases) |
Phenotype | an organism's characteristics resulting from the genes an organism possesses and the environment in which it has developed |
Gene | sequence of nucleotide bases in DNA which determines the sequence of amino acids in a protein-a single characteristic |
Locus | position of the gene on a chromosome |
Alleles | different forms of a gene |
Dominant allele | always expressed in the phenotype |
Recessive allele | only expressed in the phenotype when 2 copies of the allele are present |
Codominant alleles | contribute evenly to the phenotype |
Homozygous | two alleles on a homologous pair of chromosomes that are the same |
Heterozygous | two alleles on a homologous pair of chromosomes that are different |
Epistatic gene | when its presence suppresses the effect of a gene at another locus |
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