Different alleles do not always produce equal outward effects or phenotypes. One allele can be dominant and mask the effect of a second recessive allele in a heterozygous organism that carries two ...

Similar genes occupy the same position on both chromosomes in the pair. Alleles can be dominant or recessive. Dominant alleles will be expressed even if a recessive allele is present. Recessive ...

Consider again the fruit fly Drosophila melanogaster, and recall that the ebony-body allele (e) is recessive to the normal ... be used to infer the Mendelian alleles present in parental gametes ...

Heterozygous Describes an individual who has inherited two different alleles of the same gene from ... individual's genotype for a particular characteristic Recessive An allele whose effect ...