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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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mickeyfan mickeyfan
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11 years ago
Perform the following monohybrid cross using the Punnett Square:
Tall plants are dominant to short plants.  Cross a heterozygous Tall plant with a homozygous short plant.

What would the four squares be filled in?
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fiona6197fiona6197
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11 years ago
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11 years ago
-T can be used to represent the dominant trait, tall
-t can be used to represent the recessive trait, short

-A heterozygous tall plant can be represented as Tt
-A homozygous recessive short plant can be represented as tt

Therefore, your cross is as follows:
(Tt) x (tt)

Phenotype: 50% of the plants will be tall, and 50% of the plants will be short

Genotype: 50% of the plants will be heterozygous (Tt), and 50% of the plants will be homozygous recessive (tt)

Therefore, the results of the punnet square are: Tt, Tt, tt, tt

I hope this helps!
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