Practice question
Question
What is the expected genotypic ratio of a monohybrid cross in the F2 generation?
Explanation
The genotypic ratio of a monohybrid cross (F2 generation) is 1:2:1 (homozygous dominant: heterozygous: homozygous recessive).
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AIM Study of Mendelian inheritance using seeds of different colour / sizes of any plant. PRINCIPLE Mendelian inheritance is based on principles of dominance, segregation and independent assortment. Pisum sativum shows seven pairs of contrasting traits including seed form, cotyled...
Understand genotypic ratios, how to calculate them for monohybrid, dihybrid and trihybrid crosses, and why they matter in Mendelian genetics.
A guide to dihybrid crosses, including setup steps, Punnett square analysis, phenotypic ratios, and examples in peas and Drosophila.
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