Some are caused by recessive genes, where a child must inherit an altered gene copy from both parents to develop the ...

Researchers have carried out the most extensive and varied investigation to date regarding the role that recessive genetic ...

Recessive traits may skip generations and will affect both genders equally. An example of an autosomal recessive condition is cystic fibrosis. Cystic fibrosis close cystic fibrosisA disorder that ...

In its simplest form, a test cross is an experimental cross of an individual organism of dominant phenotype but unknown genotype and an organism with a homozygous recessive genotype (and phenotype).

Adeno-associated virus (AAV)–mediated gene therapy was one of the focal points of this year's Muscular Dystrophy Association conference. Here, Barry Byrne, MD, PhD, University of Florida, speaks to ...

If individuals in the group tend to marry within it, there's a greater likelihood that the recessive genes of the founders will come together in the cells that produce offspring. Thus diseases of ...

Sickle Cell disease is an autosomal recessive disorder that causes anemia, joint pain, a swollen spleen, and frequent, severe infections. It illustrates balanced polymorphism because carriers are ...

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 ...

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 ...