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3 years ago

What is a main disadvantage in asexual reproduction

2 answers:

7 0

The a main disadvantage of asexual reproduction is a high chance for a mutation to occur since it is a clone of its parent

zhenek [66]3 years ago

3 0

The main disadvantage is that there is no diversity. Therefore, if a disease starts to wipe out the species, it will affect all of the organisms that the parent plant created.

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within a forest ecosystem, there is a large amount of diversity among members of a warbler species. of the following stages of m

anzhelika [568]

Crossing over occurs between homologous chromosomes, and is closely involved in genetic variation. The stage that most contributes to diversity is stage C, where you can see chromosomes after crossing-over.

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There are different mechanisms involved in producing genetic variation among descendants. These are,

Crossing-over between homologous chromosomes (prophase 1),

Random lining of homologous chromosomes (metaphase 1),

Random fertilization

The Crossing-over events occur between two homologous chromosomes in the equatorial plane and make the daughter cells genetically different from the original one.

The Chiasma is the position where two homologous chromatids interchange genetic information, giving a place for new genetic material or information to be provided to descendants.

After crossing over, homologous chromosomes get separated again.

In the attached imaged there are four different stages of meiosis.

Stage C is the one that contributes the most to diversity.

We can see that crossing over has already occurred between homologous chromosomes, and they have already interchanged segments.

In the image you will see the difference between chromosomes that has gone through the crossing over mechanism, and chromosomes that has not. The difference in color represents segments interchange and variation.

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You can learn more about crossing over at

brainly.com/question/12911831?referrer=searchResults

brainly.com/question/394891?referrer=searchResults

6 0

2 years ago

Select the correct answer. Which form of birth control could people use without altering hormonal systems or blocking sperm from

frez [133]

Answer:

Fertility awareness

Explanation:

Fertility awareness involves the woman being observant about different pointers during her menstrual cycle. This method is not the safest.

Studies have shown that a woman is less likely to get pregnant few days after completing her menstruation but very fertile around 12-14 days before her next period comes up.

This form of birth control doesn’t involve altering hormonal systems or blocking sperm from fertilizing an egg

3 0

3 years ago

17. What two headed muscle comes together with the soleus to attach to the heel?

3241004551 [841]

The gastrocnemius muscle

Have a luvely day!

4 0

3 years ago

Why does ice cause water vapor to condense?

Ksenya-84 [330]

Answer:

Once water vapor is in the atmosphere, low temperatures cause the vapor to either condense into a liquid or undergo deposition to form ice crystals. Water droplets can form clouds from the atmosphere.

I hope this helped!

8 0

3 years ago

What problem is solved by the linnaean system of classification

MissTica

Due to the linneaus system of classification scientist were able to identify organism name , group via standardized system . They have found similarities in the organism like DNA / RNA ( genetic composition), embryonic development etc . so that they can study a organism completely . With the help of this system of classification scientist were able to give a particular name to a organism which is standardrized in the whole universe. It makes easier to all to identify an organism , otherwise different places have different name for a particular species.

4 0

3 years ago