When you’re heterozygous for a specific gene, it means you have two different versions of that gene. Here's what that means.

A pair of chromosomes from the proband’s uncle is shown at left; the uncle is heterozygous for the variant chromosome, which is the leftmost member of the pair.

We also look at how a heterozygous mutation differs from a homozygous mutation. A note about sex and gender. ... In females, each parent has an X chromosome with the same atypical gene.

Chromosomes: genetic storehouses. Humans have 23 pairs of chromosomes, ... make them a homozygous sex as compared with the XY condition in males, known as heterozygous.

A novel genome editing technique, NICER, is based on the creation of multiple nicks in single DNA strands by nickase. The method can correct heterozygous mutations using two mechanisms: multiple ...

Heterozygous hemochromatosis is when a person carries only one gene for hemochromatosis rather than two. They may not have symptoms.

Scientists fully sequence the Y chromosome for the first time, uncovering information that could have implications for the study of male infertility and other issues.

Learn about the causes, symptoms, and treatment of heterozygous familial hypercholesterolemia, a disease that causes you to have very high cholesterol levels.

The term “heterozygous” also refers to a pair of alleles. Unlike homozygous, being heterozygous means you have two different alleles. ... Genes and genetics explained. (2019) ...