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AnnyKZ [126]
3 years ago
15

Can you help me with Questions 2 and 3?

Biology
1 answer:
vodomira [7]3 years ago
4 0

bpwhamburgorchardpark.org  Has a short video on it

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Alkaptonuria is an infrequent autosomal recessive condition. It is first noticed in newborns when the urine in their diapers tur
Arisa [49]

Answer:

See the answer below

Explanation:

Let the disorder be represented by the allele a.

Since the disease is an autosomal recessive one, affected individuals will have the genotype aa and normal individuals will have the genotype Aa or AA.

Since the four adults are carriers, their genotypes would be Aa.

                    Aa     x     Aa

Progeny:    AA    2Aa    aa

Probability of being affected = 1/4

Probability of being a carrier = 1/2

Probability of not being affected = 3/4

(a) The chance that the child second child of Mary and Frank will have alkaptonuria = 1/2

(b) The chance that  the third child of Sara and James will be free of the condition = 3/4

(c)

(d) If someone has no family history of the disorder, their genotype would be AA.

                 AA     x     aa

                        4 Aa

<em>The chance that a child with alkaptonuria will have an offspring with alkaptonuria if the child's mate has no family history </em>= 0

(e)

(f) <em>The chance that a child with alkaptonuria will have an offspring with alkaptonuria if the child's mate has no family history</em> = 0

5 0
3 years ago
Which statements accurately describe the roles of water on Earth? Check all that apply.
Rashid [163]

Answer:C. It carries cold water from the equator to the poles.

D. It wears away rock and soil.

E. It reflects sunlight that hits the oceans.

(hope this helps)

6 0
3 years ago
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Someone please help me with this question!!!
Lady bird [3.3K]

Answer:

I think its d or b but I am not sure learned this last year

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Mutations that do not change the amino acid sequence and thus have no consequence are termed _____ mutations.
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They are reffered to as a silent mutation
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Convergent evolution according to my records
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