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juin [17]
3 years ago
9

Duplication in the gene encoding a protein invalided in vision has enabled human to acquire trichromatic vision which type of mu

tation is this
Biology
1 answer:
Doss [256]3 years ago
6 0

Answer:

beneficial mutation

Explanation:

A mutation is any alteration in the genetic material of an organism. In general, mutations have a negative impact on the fitness (or reproductive success) of the individual that carries this mutation; however, there are situations where a mutation may be beneficial for the individual in a given environment. When a beneficial mutation occurs in the germline, it potentially can be passed to the next generation and progressively increases its frequency in the population.

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HUISWELLICH
drek231 [11]

Answer:

Nitrogen is an important nutrient for all plant cells, and it is component of the chlorophyll  found in leaves. Which of the following statements best describes how nitrogen is absorbed  and distributed to the leaves of the plant so that photosynthesis can take place?

Nitrogen is absorbed by the roots and distributed upwards through the xylem

Explanation:

Nitrogen are gotten from the ground by the plants before it is transported through xylem to the stem and then the leaves

4 0
3 years ago
Which is true in a covalent bond?
posledela
B. the bond forms when electrons are shared
6 0
3 years ago
Read 2 more answers
Which is the best comparison of the authors purpose in these two essays about genetically modified food
Bas_tet [7]
<span>C) The purpose of both essays is to persuade the reader of a specific point of view.</span>
5 0
4 years ago
PLZ HELP ME IT'S FOR A BIG PROJECT!!! Describe a seahorse (physical appearance, habitat, function, history, etc.).
storchak [24]

The seahorse is found in many different locations around North and South  America. They are typically located in the shallow tropical waters that are quite warm. They will be found living along the coral, the sea grass, and the mangroves. In Europe they are known to reside in the Thames estuary. Many of the larger species are living in the Mediterranean Sea.

Many species of seahorses are very territorial. The males often have about 11 square feet of territory. The females have up to 1,100 square feet. What they live though will influence how much area they have. In many regions that habitat range has gotten smaller and smaller.

In captivity the seahorses will be limited to a large aquarium. This can be a huge change in home range habitat for them. That is why the stress levels are very high and the survival rate low. Young in a captive state are more likely to do well because they haven’t become accustomed to the wide territory.

As a result the seahorses living in a given area have become more aggressive. They have also suffered from higher stress levels and more forms of disease. The aggressive behavior is typically when males are looking for females that they can mate with. It is also common when they are fighting for territory or food and that extends to both genders.

7 0
3 years ago
Cross a heterozygous black rabbit with a heterozygous black rabbit. What is the
Crazy boy [7]

Explanation:

Bb x Bb

1BB, 2Bb, and 1 bb

Let B=black fur allele(dominant) and b=white fur allele(recessive),

¾ of the rabbit will be black while ¼ will be white.

Hence,

¾×100%=75%

¼×100%=25%

7 0
3 years ago
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