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astraxan [27]
3 years ago
15

What does nicotine do to the body

Biology
2 answers:
RSB [31]3 years ago
8 0
<span>It constricts blood vessels, increasing the blood pressure and stimulating the heart, and raises the blood fat levels.

Hope this is the answer you were looking for and that it helps. :)</span>
UkoKoshka [18]3 years ago
6 0
Blackens and ruin your lungs
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What does the system of classifying things based first into broad categories, then into progressively more specific categories,
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3 years ago
In humans, MN blood types are determined by an autosomal gene with two alleles: LM and LN. In one population of 592 people, ther
RoseWind [281]

Answer:

148

Explanation:

According to Hardy-Weinberg equilibrium,

p + q = 1

p² + 2pq + q² = 1 where,

p = frequency of dominant allele

q = frequency of recessive allele

p² = frequency of homozygous dominant genotype

2pq = frequency of heterozygous genotype

q² = frequency of homozygous recessive genotype

Here,

Total population = 592

Number of NN people = 148

Frequency of N blood group or NN genotype (q²) = 148/592 = 0.25

q = √0.25 = 0.5

p = 1 - q

= 1 - 0.5 = 0.5

Hence, p = 0.5

Frequency of MM genotype = p² = 0.25

Number of people with MM genotype = 0.25*592 = 148

Hence, 148 people will have MM genotype or M blood group.

5 0
3 years ago
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