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draw a ppunnett sqare using the allele symbol H amd h to show the expected genotypes of the man and women biological children.

Sagot :

marianaegarciaperedo

The Punnett square is used to make predictions about the genotype and phenotype of a future generation according to the alleles involved in the cross. 25% HH, 50% Hh, 25% hh.

What is a Punnett square?

The Punnett square is a graphic representation that shows the different types of gamete combinations according to the alleles involved in a cross.

Punnett square shows the probabilities of getting offspring with different genotypes and their consequent phenotypes.

Let us assume that in the exposed example both parents are heter0zyg0us for the trait.

The feature is coded by a single diallelic gene in which H is the dominante allele and h the recessive allele.

Cross:

Parentals)  Hh     x     Hh

Gametes) H    h       H     h

Punnett square)      H          h

                       H     HH        Hh

                       h      Hh         hh

F1) Genotype

- 1/4 = 25% of the progeny is expeted to be h0m0zyg0us dominant, HH

- 2/4 = 1/2 = 50% of the progeny is expected to be heter0zyg0us, Hh

- 1/4 = 25% of the progeny is expeted to be h0m0zyg0us recessive, hh

    Phenotype

- 3/4 = 75% of the progeny is expected to express the dominant trait

- 1/4 = 25% of the progeny is expected to express the recessive trait

You can learn more about Punnett squares at:

https://brainly.com/question/25357981

#SPJ1  

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