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Blood Types and Alleles

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What blood type(s) can a child born to a mother with B- blood type and a father with A+ blood type have? Explain your answer fully. Be sure to focus on the concepts of dominant and recessive alleles, multiple alleles, and codominance in your explanation.

Are there any special concerns this mother should consider?

How do you think O can be the most common blood type when O is recessive?

Describe another trait in humans that shows multiple alleles.

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https://brainmass.com/biology/genetics/blood-types-and-alleles-578391

Solution Preview

It's possible, but only if both parents carry the recessive "O" gene and recessive negative Rh factor.

Every person has two genes that will determine their blood type. This is called a genotype. They receive one of those genes from their mother and one of those genes from their father.

Genotype.................Phenotype
AA.............................A blood
AO............................A blood
BB............................B blood
BO............................B blood
AB.............................AB blood (co dominant) ...

Solution Summary

Overview of the results of a Type B- mom with a Type A+ dad, with genetic blood type calculator.

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See Also This Related BrainMass Solution

Determining blood type inheritance

The fathers blood group is AB.

The potential sons blood group is B

mother is blood group A.

1) Draw a mating/ cross diagram to show what the mothers geno type would be in respect to ABO blood group.

2) work out the probability that the child she conceived with the father would have a B blood group, please show full working and clear explanation as i really need to understand this.

Thanks

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