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CaHeK987 [17]
3 years ago
12

Although all genetic diversity originates as a mutation there are two mechanisms that occur during meiosis that can recombine ex

isting genetic diversity into many trillion of new combinations what are these two mechanisms a. organization of DNA around histone molecules b. variability in the arrangement of Acton and meiosis molecules in the meiotic spindle c. Random assortment of alleles during metaphase one of meiosis d. telomeric shortening after successive rounds of cellular division e. Crossing over between homologous sister chromatids
Biology
1 answer:
Anni [7]3 years ago
3 0

Answer:

option E is the correct crossing over between sister chromatids crossing over is important because it is a source of genetic variation and leads to different mutations (changes) in the body of zygote

Explanation:

i hope this will help you :)

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A construction worker uses a hammer to drive a sharp nail into a concrete wall. What two simple machines is the construction wor
pogonyaev

A construction worker uses a hammer to drive a sharp nail into a concrete wall. What two simple machines is the construction worker using when he does this task-(D) a wedge and a lever

Explanation:

Simple machines are the tools an individual uses in his day to day life in order to make its work simpler.

For Example: Axles and wheel  make it simple to carry a heavy object in a shopping cart.

<u>A hammer is a type of  lever,</u>and is also a type of simple machines.A hammer can be defined as a heavy rigid bar moves around a fixed point ,that point is called fulcrum .

Wedges is also a form of  simple machine and the  inclined plane forms its  foundation. A wedge can be referred to as the sharp edge of an inclined plane.They are used to level out a structure of an object

Thus we can say that  A construction worker uses a hammer to drive a sharp nail into a concrete wall. What two simple machines is the construction worker using when he does this task-(D) a wedge and a lever

 

8 0
3 years ago
Algae and fungi share a
ANTONII [103]
A lichen is an organism that results from a mutualistic relationship between a fungus and a photosynthetic organism. The other organism is usually a cyanobacterium or green alga. The fungus grows around the bacterial or algal cells.
4 0
3 years ago
Why might asexual reproduction typically result in local colonization, while the products of sexual reproduction are typically d
Vlad [161]

Answer:

A. The variation resulting from meiosis and the union of gametes means some individuals will have a chance of colonizing diverse distant environments successfully.

D. Vegetative propagation is more efficient than sexual reproduction when the current generation is well adapted to the local environment.

8 0
3 years ago
Read 2 more answers
if the job of a cell was to swim a long distance to an egg with a flagella, then it would need more of what organelle?
kicyunya [14]
If a particular job of a cell was to swim a long distance to an egg with a flagella, then it would need more mitochondria. As mitochondria undergo cellular respiration and essentially utilize the carbohydrates for that particular cell to produce the final product of ATP high energy containing molecules needed for the movement.
3 0
4 years ago
If the body temperature of a person is recorded as 37 degrees Celsius, what is the persons body temperature in k? Round your ans
maw [93]

Answer:

The right answer to this question is: 310k

Explanation:

There's a very good formula that can help us to find this answer, but first, we need to know the temperature scale  in Celsius and Kelvin, there's an image below that will help us gather information.

The formula is quite simple, check it below:

C/5  = K-273/5

putting the values we already have in the formula it would be like this:

37/5 = K-273/5

Cutting out the fives, we can have the final result

37= K-273

37+273 = K

K= 310.

7 0
3 years ago
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