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galina1969 [7]
3 years ago
15

Need help on this a l s o g i v i n g p e o p le f r e e p o i nts

Biology
2 answers:
Aleksandr [31]3 years ago
8 0
The answer for this is Density
Dominik [7]3 years ago
3 0

Differences in temperature and salinity change the <em>density</em> of seawater.

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Look at the word equation below.
Kisachek [45]

Answer: Dehydration of simple sugars

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3 years ago
Hey pls help me i'll give you 15 tokens
Aliun [14]

Answer:

pretty sure is is c -sorry if this is not right

Explanation:

I used do do this kind of thing :)

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A cloud of accumulated gas and dust in space where a star is born is called a __________.
alekssr [168]
I believe the answer in the blank should be protostar
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3 years ago
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Suppose 64 percent of people living in a remote, isolated mountain village can taste phenylthiocarbamide (PTC) and must, therefo
worty [1.4K]

Answer:

The percentage of the population that is heterozygous for this trait is 48%

Explanation:

They are two alleles, the phenylthiocarbamide tasters (PTC) and the non phenylthiocarbamide tasters (non PTC). PTC testers are dominant and non PTC tasters are recessive.

let the frequency of the dominant allele(A) be p

and the frequency of the recessive allele(a) be q

We are told that 64 percent of people living in a remote, isolated mountain village can taste phenylthiocarbamide (PTC) and must, therefore, have at least one copy of the dominant PTC taster allele (that is AA and Aa)

Frequency of AA = p², Frequency of Aa = 2pq and Frequency of aa = q²

Therefore p² + 2pq = 64% = 0.64

According to Hardy–Weinberg:

p² + 2pq + q² = 1 and

p + q = 1

Since p² + 2pq = 0.64

∴ 0.64 + q² = 1

q² = 1 - 0.64 = 0.36

q = √0.36 = 0.6

Since p + q = 1

p = 1 - q = 1 - 0.6 = 0.4

The frequency of heterozygous = 2pq = 2 × 0.4 × 0.6 = 0.48

Therefore the percentage of the population that is heterozygous for this trait is 48%

8 0
3 years ago
ONLY EXPERT HELP: I'LL GIVE BRAINLIEST:
Butoxors [25]

Answer:

your answer will be C).Nerve cell

Explanation:

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