Genetic diversity is essential to the survival of a species. It's easy enough to maintain if a species reproduces sexually; an egg and a sperm combine genetic material from two creatures into one, ...

A study based on a review of genetic and health information from more than 276,000 people finds strong support for a decades-old evolutionary theory that sought to explain aging and senescence. A ...

Chromosomes carry genetic information in a molecule called DNA. A type of cell division called mitosis ensures that when a cell divides each new cell produced has the same genetic information. Watch ...

Genetic diversity is essential to the survival of a species. It’s easy enough to maintain if a species reproduces sexually; an egg and a sperm combine genetic material from two creatures into one, ...

CBSE Class 12 Biology exams are scheduled for March 25, 2025, with a new focus on knowledge, application, and analysis-based questions. Key topics from Reproduction, Genetics and Evolution, and ...

In 1957, evolutionary biologist George Williams proposed the antagonistic pleiotropy theory, suggesting that genetic mutations promoting earlier reproduction could be favored by natural selection, ...

When Mika Matera-Vatnick ’21 received President Martha E. Pollack’s email in March announcing the closing of campus, her first thought was, “What am I gonna do with my flies?” Matera-Vatnick, like ...

Reproduction occurs in all organisms. DNA is important, as it allows new proteins to be synthesised. Mutations in the DNA can have serious implications. This short video is about sexual reproduction.