Inheritance in Biology
More Lessons for Biology
Math Worksheets
A collection of videos and experiments that are suitable for Biology. Chromosomes, Genes, DNA and Genetic information, Alleles.
3.14 Chromosomes
Recall that the nucleus of a cell contains chromosomes on which genes are located
Understand that a gene is a section of a molecule of DNA
Describe a DNA molecule as two strands coiled to form a double helix, the strands being linked by a series of paired bases: adenine (A) with thymine (T), and cytosine (C) with guanine (G)
Understand that genes exist in alternative forms called alleles which give rise to differences in inherited characteristics
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