Heterozygous Describes an individual who has inherited two different alleles of the same gene from their parents Homozygous Describes an individual who has inherited the same allele for a gene ...

You can use any letter you like, but select one that has ... fur colour in mice is controlled by a single gene. White fur is recessive - a. Grey fur is dominant - A. Two mice that are heterozygous ...

One allele can be dominant and mask the effect of a second recessive allele in a heterozygous organism that carries two different alleles at a specific locus. Recessive alleles only express their ...