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Paha777 [63]
3 years ago
7

Which one of the following statements presents a condition required for the hardy-Weinberg principle to be in effect?

Biology
2 answers:
kodGreya [7K]3 years ago
8 0

Answer:

The correct answer is - random mating individuals pair by chance, not according to their genotypes or phenotypes.

Explanation:

Hardy-Weinberg equilibrium explains that if there are no other evolutionary influences on the population then the frequency of genotype in a specific population remains constant over generations.

The assumptions according to this principle are mention as follow -

-No natural selection.  

-no mutation.  

-The population size should be large.  

-There should be random mating  

-No gene flow.

The correct answer is - random mating individuals pair by chance, not according to their genotypes or phenotypes.

Aleks04 [339]3 years ago
5 0
The answer is random matting occurs!
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3 years ago
A man is brachydactylous (very short fingers; rare autosomal dominant), and his wife is not. Both can taste the chemical phenylt
netineya [11]

Answer:

The correct answer is -

A) BbTt x bbTt

B) .5^4 or 1/16 or 0.0625

Explanation:

As it is given that Brachydactylus and PTC tasters both traits are autosomal dominant conditions which mean only one allele would be enough.

For Branchydactylus and For tasting :  man and women will be heterogeneous.

Hence,

The Genotype of man = BbTt

The Genotype of wife = bbTt

b. Answer = 0.0625

For Branchydactylus:

Bb X bb

Possible genotypes:

B b

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b Bb (Brachydactylus) bb (normal)

The probability of a single child being Branchydactylus = 2/4 = 0.5

So,  Probability of all 4 child being Branchydactylus = .5 x .5 x .5 x .5 = 0.0625

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3 years ago
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Answer:

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The other choices don't apply to the specified scenario. So option B will be the perfect option for b.

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