Zoology - Principles of Inheritance and Variation Question with Solution | TestHub

ZoologyPrinciples of Inheritance and VariationMonohybrid and Dihybrid CrossesEasy2 minPYQ_2020

ZoologyEasysingle choice

What will be the probability of genotype TTrr in $F_{2}$ generation of a typical Mendelian dihybrid cross?

Options:

Answer:

Solution:

Mendelian dihybrid cross occurs between two pair of contrasting characters - height of plant and shape of seed. When these are crossed in the $F_{2}$ generation we get the following genotypes and their count:

TTRR - 1

TTRr - 2

TTrr - 1

TtRR - 2

TtRr - 4

Ttrr - 2

ttRR - 1

ttRr -2

ttrr - 1

Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Principles of Inheritance and VariationSubtopic:Monohybrid and Dihybrid Crosses

⏱ 2mℹ️ Source: PYQ_2020

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