Key Terminology (Grade 12 NSC Matric Life Sciences): Flashcards

Thread-like structures of DNA and proteins in cell nucleus

One of two identical strands in a replicated chromosome

Attachment point where two sister chromatids connect

Chromosome pairs with same shape, size & genetic arrangement

Cells with two complete sets of chromosomes

Cells with only one complete set of chromosomes

Exchange of genetic material between homologous chromosomes

Nuclear division

Cytoplasmic division

Failure of homologous chromosome pairs to separate properly