What is a chromosome?
A long DNA molecule associated with proteins and carrying many genes.
AQA GCSE Combined Science: Trilogy (8464) — Biology — Higher · 4.1.2.1
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What is a chromosome?
A long DNA molecule associated with proteins and carrying many genes.
How are chromosome pairs in body cells inherited?
Generally, one chromosome of each pair is inherited from each parent.
How do the genes and alleles on corresponding chromosomes compare?
They carry the same genes at corresponding positions, but may carry different alleles.
How many chromosomes from each pair do gametes normally contain?
One chromosome from each pair.
What is the nucleus in a eukaryotic cell?
A membrane-bound structure that contains chromosomes.
What does the nuclear envelope separate?
The genetic material from the cytoplasm.
How do genes in chromosomes help control a cell’s activities?
They contain information used to make proteins.