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ipn [44]
2 years ago
15

1. Huntington’s disease is a dominant allele (not sex linked) that usually does not manifest itself until after age thirty- five

. Individual who have the disease are almost always heterozygous. As a genetics counselor, you are visited by a 23-year-old woman. Her mother has Huntigton’s, but her father is normal. Use alphabets when required.
a. What is the genotype of the mother?

b. What is the genotype of the father?

c. What is the probability that this woman will develop Huntington’s disease as she grows older ?


WHO KNOWS HOW TO DO THIS
Chemistry
1 answer:
masya89 [10]2 years ago
4 0

Answer:

a the mother is heterozygous so Aa

b would be aa

c. 50% as she could either get the dominant allele from her mother or not it is a coin flip

Explanation:for c the best way to do that one is to draw a punnitt square

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pH of the weak base will be calculate by using the Henderson Hasselbalch equation as:

pH = pKb + log([HB⁺]/[B])

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Chemical reaction for C₆H₅NH₂ is:

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Initial:                     0.25                           0            0

Change:                    -x                             x             x

Equilibrium:        0.25-x                           x             x

Base dissociation constant will be calculated as:
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Kb = x² / 0.25 - x

x is very small as compared to 0.25, so we neglect x from that term and by putting value of Kb, then the equation becomes:

1.8×10⁻⁶ = x² / 0.25

x² = (1.8×10⁻⁶)(0.25)

x = 0.67×10⁻³ M = [C₆H₅NH₃⁺]

On putting all these values on the above equation of pH, we get

pH = 5.7 + log(0.67×10⁻³/0.25)

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Hence pH of the solution is 3.13.

To know more about Henderson Hasselbalch equation, visit the below link:
brainly.com/question/13651361

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