Biology-B6-X and Y Chromosomes 0.0 / 5 ? BiologyDNA and inheritanceGCSEAQA Created by: tonisha_Created on: 21-02-23 18:39 In each human body cell how many chromosomes are there? 23 1 of 5 Of these pairs how many of them just control characteristics? 22 pairs 2 of 5 The 23rd pair control what? sex (gender) 3 of 5 What are the male chromosomes? What are the female chromosomes? XY ** 4 of 5 Draw a punnet square for a mother and father What is the ratio and percentage of offspring being male or female? 50% 1:1 5 of 5
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