genetic inheritance definitions 0.0 / 5 ? BiologyDNA, genetics and evolutionA2/A-levelAQA Created by: Lucybarrow444Created on: 01-10-19 20:54 what is the definition of a gene the section of DNA which codes for a protein. The sequence of bases in the DNA determines the sequence of amino acids in the protein. 1 of 13 what is the definition of genotype the genetic constitution of an organism 2 of 13 what is the definition of phenotype the expression of its genetic constitution and its interaction with the environment 3 of 13 what is the definition of alleles different forms of the same gene 4 of 13 what is the definition of locus the position of where alleles are located on a gene 5 of 13 what is the definition of homozygous two copies of the gene are the same allele 6 of 13 what is the definition of heterozygous two copies of the gene are different alleles 7 of 13 what is the definition of dominant alleles this allele will only be express in the phenotype if the genotype is heterozygous 8 of 13 what is the definition of recessive alleles this allele will only be express in the phenotype if the genotype is homozygous 9 of 13 what is the definition of a diploid cell a cell with two copies of a gene 10 of 13 what is the definition of a haploid cell a cell with one copy of a gene 11 of 13 what does codominance mean when two dominant alleles in an heterozygous individual occurs and intermediate phenotype occurs 12 of 13 epistasis the interaction between two genes when one allele affects the expression of another which can lead to a graduation of a phenotype 13 of 13
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