The probability of two heterozygous parents?

If two parents are carriers for a diesease and they have 3 children what is the probability that all 3 children will be of a normal phenotype?

  • Answer:

    If two parents carry a genetically inherited dominant trait, their offspring have a 25% chance of having a not having it. If the gene is recessive then the offspring have a 50% chance of a not having it.

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If two parents carry a genetically inherited dominant trait. Their offspring have a 25% chance of having a normal phenotype. If the gene is recessive then the offspring have a 50% chance of a normal phenotype.

If two parents carry a genetically inherited dominant trait. Their offspring have a 25% chance of having a normal phenotype. If the gene is recessive then the offspring have a 50% chance of a normal phenotype.

Leslie Johnston

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