Name: Practice Genetics Problems - Set III (2018) The ABO blood are codominant a

Question

Name: Practice Genetics Problems - Set III (2018) The ABO blood are codominant and i is recessive. type system is found in humans. It contains multiple alleles: IA and iB 3. a) In a mating between individuals with the genotypes Ai x if, what percentage of are expected to have the O blood type? b) In a mating between individuals with the genotypes lAiB x ii, what percentage ot offspring are expected to have the O blood type? the H substance? c) What is the blood type of individuals who cannot add the terminal sugar to Hypophosphatemia (vitamin D-resistant rickets) is inherited as a sex-linked dominant relevant gene is found on the X chromosome. What is the expected outcome of phosphatemia with trait. The a cross between a homozygous recessive woman and a man with hypo respect to sons and daughters. Show or clearly explain how you came to your conclusion

Explanation / Answer

3) Multiple alleles - IA and IB
Recessive allele - ii
a) Cross between genotypes IAi X ii.
Gametes formed IA and i i and i.
Next generation

Then the % of the offspring are expected to have the O blood type(ii) - 50%.

b) Cross between IAIB X ii

Gametes formed IA and IB i and i

Next generation

None of the offsprings are O blood type.

Then the % of the offspring are expected to have the O blood type(ii) - 0%.

c) O blood type of individuals who cannot add the terminal sugar to the H substance.

Male/Female IA i i IAi(blood type A) ii(blood type O) i IAi(blood type A) ii(blood type O)

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