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sashaice [31]
3 years ago
11

Which example is a precipitation reaction?

Biology
1 answer:
ladessa [460]3 years ago
8 0

The correct answer is option D.                

A solution of AgNO3 mixes with a solution of NaCl to produce solid AgCl and a solution of NaNO3.

AgNO3 + NaCl = AgCl + NaNO3              

Precipitation is a kind of reaction that occur when cations and anions combine together in an aqueous solution and forms a precipitate.

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In pea plants, the tall-stem allele and the short-stem allele are different forms of the same what'
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Forces that are equal in strength but opposite in direction are a.) balanced b.) unbalanced c.) always result in motion d.) do n
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Ocular Lens Power (magnification) is: <br> a 4.0x <br> b. 100x <br> c. 4x <br> d, 10x
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Populations of the grasshopper Vandiemenella viatica possess different chromosomal fusions and inversions. Grasshoppers that are
svetlana [45]

Answer:

The options

a. New combinations of genes yielding genotypes of greater fitness

b. Few heterozygotes because of underdominance

c. Frequency-dependent selection, leading to fluctuations in fitness

d. Heterozygotes with greater fitness, owing to overdominance

e. A random assortment of genotypes because of genetic drift

The CORRECT ANSWER IS b.

b. Few heterozygotes because of under dominance

Explanation:

In genetics, underdominance (at times called "negative overdominance") is the opposite of overdominance.

It is the selection against the heterozygote, that leads to disruptive selection and divergent genotypes. It occurs in cases of inferior and reduced fitness (As in our case study, it is the different chromosomal fusions and inversions)

of the heterozygotic genotype to the dominant or recessive homozygotic genotype. It is unstable as it causes fixation of either allele.

Another example is the African butterfly species Pseudacraea eurytus, which makes use of Batesian mimicry to avoid predation. This species carries two alleles that gives a coloration that is alike to a different local butterfly species that is harmful to its predator. The butterflies who are heterozygous for this trait are observed to be intermediate in coloration and thus encounter an higher risk of predation and a decrease in the total fitness.

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2 years ago
In which of the following is the term correctly matched with its description
pishuonlain [190]
I wanna say the answer is B
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3 years ago
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