as a constituent of chromosomes, and is the carrier of genetic information." A DNA molecule consists of two strands which wrap around each other like a twisted ladder. The sides of the DNA ladder ...

Yet again, this simple example illustrates a more ... to produce less fit offspring because sexual reproduction and recombination break apart the genetic associations that have been built by ...

Most animals carry out sexual reproduction ... amniocentesis procedure. Genetic modification can be used to produce plants that improve food production. For example, a plant may be produced ...

How is the same process responsible for genetic recombination and diversity ... Human females, for example, are born with hundreds of thousands of oocytes that remain arrested in the first meiotic ...

"For example ... appear to balance genetic diversity and stability -- maintaining enough variation for adaptation while preventing incompatibilities that could disrupt reproduction.

Reproduction occurs in all organisms. DNA is important, as it allows new proteins to be synthesised. Mutations in the DNA can have serious implications. Genetic inheritance - AQA Our genes are ...

"For example ... appear to balance genetic diversity and stability—maintaining enough variation for adaptation while preventing incompatibilities that could disrupt reproduction.