Definition Of Dominant Gene In Biology

The phenotype is what chromosome is present in the organism.

Definition of dominant gene in biology. Dominant refers to the relationship between two versions of a gene. If the alleles of a gene are different one allele will be expressed. It is the dominant gene. Cistron factor gene genetics a segment of dna that is involved in producing a polypeptide chain.

It can include regions preceding and following the coding dna as well as introns between. Dominant gene gene that produces the same phenotype in the organism whether or not its allele identical. The effect of the other allele called recessive is masked. Jēn one of the biologic units of heredity self reproducing and located at a definite position locus on a particular chromosome.

1 n gene that produces the same phenotype in the organism whether or not its allele identical the dominant gene for brown eyes type of. When an allele is dominant it is expressed in the phenotype over a recessive allele. Look it up now. A dominant gene is a segment of dna information that is used to make chromosomes.

Dominant genes are a result of dominant alleles in chromosomes. There are thousands of genes in the chromosomes of each cell nucleus. Genes make up segments of the complex deoxyribonucleic acid dna molecule that controls cellular reproduction and function.