Second-degree relative

A second-degree relative (pronounced: /ˈsɛk.ənd dɪˈgriː rɪˈlæ.tɪv/) refers to a family member who shares about 25% of their genetic material with a particular individual. This category includes grandparents, grandchildren, aunts, uncles, nephews, nieces, and half-siblings.

Etymology

The term "second-degree relative" originates from the field of genetics, where "degree" refers to the genetic distance or relatedness between two individuals. The "second-degree" signifies that there is a two-step genetic distance between the individual and the relative in question.

Related Terms

First-degree relative: A family member who shares about 50% of their genetic material with a particular individual. This category includes parents, siblings, and children.
Third-degree relative: A family member who shares about 12.5% of their genetic material with a particular individual. This category includes great-grandparents, great-grandchildren, first cousins, great-uncles, and great-aunts.
Genetic material: The DNA (deoxyribonucleic acid) that carries the genetic information in living organisms.
Genetics: The study of genes, genetic variation, and heredity in living organisms.

External links

Medical encyclopedia article on Second-degree relative
Wikipedia's article - Second-degree relative

This WikiMD dictionary article is a stub. You can help make it a full article.

Languages: - East Asian 中文, 日本, 한국어, South Asian हिन्दी, Urdu, বাংলা, తెలుగు, தமிழ், ಕನ್ನಡ,
Southeast Asian Indonesian, Vietnamese, Thai, မြန်မာဘာသာ, European español, Deutsch, français, русский, português do Brasil, Italian, polski

Second-degree relative