IGCSE Chemistry

Saturday, November 9, 2019

3.27 describe the determination of the sex of offspring at fertilisation, using a genetic diagram

View my previous blog post on the last syllabus point for more information!

Genetic diagrams can be used to determine the sex of offspring at fertilisation, however, the change of being male/female is 50/50. Males carry XY alleles and females only X alleles, therefore, the genetic diagram would look like this:

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