Biology·Development & continuity of life · NSSCO 4.4.1
Chromosomes, genes & DNA
Narrated lesson · press play
The instructions that build you — how chromosomes, genes and alleles fit together, how the order of bases in DNA is a code for proteins, and how that lets DNA control the whole cell.
What you'll learn in this lesson
By the end you should be able to (NSSCO Biology 4.4.1):
- Define chromosome, gene and allele
- Define haploid and diploid nuclei
- Explain the genetic code (the base sequence of a gene codes for a protein)
- Explain how DNA controls cell function by controlling protein production
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Miss Rachel and Mike talk through the whole topic — with the figure and working drawn live.