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Effectus [21]
2 years ago
9

Please help... Need ASAP

Biology
2 answers:
Vadim26 [7]2 years ago
8 0

Answer:

I think this is what you're looking for?

Explanation:

tester [92]2 years ago
7 0
The part that is shaded in red is a nucleotide and the purple shaded part is the structure composed of phosphate groups with dexyribose sugars.
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Ellis-van Creveld syndrome is a form of dwarfism that is inherited in an autosomal recessive pattern. This particular form of dw
jenyasd209 [6]
A) A textbook definition would be that genetic drift is: a random change in allele frequency caused by a series of chance occurences that cause an allele to become more or less common in a population. In layman's terms, this means that genetic drift happens when luck makes the genetic pool of the population to deviate from what is expected.
B) The cause for this genetic drift is the aformentioned couple. Because amish communities are small and they select partners from their community, having even a couple of carriers of alleles in a community can make the allele freuency much larger than expected; for example, if the community was 100 persons, the percentage would be in the order of 1%, still much larger than the general population. Thus, the cause here is that a small population had a couple of carriers.
C) Sexual reproduction leads to a mixing of alleles from both mother and father and helps diversity. When a population is isolated, the gene pool is fixed and no new genes can come in, reducing diversity. Also some people that have an allele might die, hitting diversity even more. Finally, having a small population creates a strong pressure in some circumstances that leads to elimination of some traits and diversity.
7 0
3 years ago
Why are identical twins exactly similar while fraternal twins are dissimilar ??​
sergij07 [2.7K]

Answer:

Fraternal twins are “dizygotic,” meaning that they developed from two different eggs fertilized by two different sperm cells, while identical twins are “monozygotic” i.e., they developed from a single fertilized egg that split.

Explanation:

7 0
2 years ago
What effects does hydrogen bonding and polarity have on water?
lesya [120]
Oxygen has a partial negative charge, whereas hydrogen had a partial positive charge.

This means that water molecules are polar and can be used to dissolve a lot of chemicals, that's why water is such a popular solvent.
7 0
3 years ago
What letter represents summer where you live?
AURORKA [14]

I live in letter D in summer and letter B in winter.

<h3><u>Explanation:</u></h3>

In the diagram the letter D represents the summer solstice and the letter B represents the winter solstice. But the letter A and C represents the equinoxes that are present in the month of March and September. Here in India the country lies above tropic of Cancer. So the condition here is like the temperate region. So during summer the sun's rays directly fall on the country as well as during winter the country receives oblique sun rays. Thus from the diagram we can see see that the letter B represents the condition of earth when the sun's rays are not directly falling on earth. So it's winter solstice .

In the letter D we can see that the earth is going through the summer solstice because sun's rays are directly falling on the earth. So it's summer at that time.

6 0
3 years ago
1. Which of the following would make the best slogan(s) for mitosis? Explain the reasoning behind your choice
Mandarinka [93]

Answer:

The Answer is c. Mitosis: Eukaryotic Cell Division and Cloning Specialist.

Explanation:

Mitosis means when a cell divides into two cells. As cells divide, the number of cells doubles. And each cell is an exact duplicate of the original cell, or a clone. Eukaryotic means that everything in the cell is enclosed in a membrane.

Hope this helps!! Have an Awesome day!!! :-)

5 0
3 years ago
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