Lessons explains what autosomal linkage and how it affects the ratio of phenotypes of offspring. Students will learn how autosomal linked genes are more likely to be inherited together - referring back to meiosis to explain the formation of gametes - and why possible gametes are different from non-autosomally linked alleles. They will then learn about how recombinants are formed in crossing over. Finally the lesson looks at how recombination frequency is affected by the locus of the gene on the chromosome.
Resource includes starter recall quiz, clear specification links, multiple understanding checks, exam question practice and extra reading links.
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