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Norma-Jean [14]
3 years ago
12

Describe how a cross between two closely related organisms may result in genetic problems.

Biology
1 answer:
zimovet [89]3 years ago
8 0

Answer:

there still could be problems because there is always a 50/50 chance of the generation child to have an problem. also a person in a one person in the famliy tree who could have been illed which gives that 50/ 50 chance.

so let my grandma had cancer (which she did) and my mom dosen't so i could get cancer  

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During the process of cell division when does the nuclear membrane reform?
Ksju [112]
The nuclear membrane dissolves during the prometaphase of mitosis, while it disintegrates during prometaphase I and prometaphase II of meiosis. The breakdown of the nuclear envelope is due to the addition of a phosphate group to nuclear lamins by the enzyme M-CDK in a process known as phosphorylation. 
<span>The two types of cellular division in most multicellular organisms are mitosis and meiosis. Mitosis is the process of producing two diploid daughter cells, while meiosis is the process of generating four diploid cells called gametes, which are used for sexual reproduction.</span>

<span>Mitosis is divided into several phases, including prophase, prometaphase, metaphase, anaphase and telophase. As the intermediary phase between prophase and metaphase, prometaphase is sometimes considered part of prophase. The disintegration of the nuclear membrane into tiny vesicles signals the end of prophase and the beginning of prometaphase. When the envelope breaks down, the mitotic spindle fibers gain access to the DNA of the cell. The fibers then attach to the chromosomes at their kinetochores and begin moving to polar opposites of the cell.</span>

4 0
3 years ago
The relative order or male to female based on the structure of the DNA is mainly based on what?
lesantik [10]

Answer:

i think it is fabricated

Explanation:

iida has entered

8 0
3 years ago
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Anton van Leeuwenhoek is a scientist who saw cells soon after Hooke did. He made use of a microscope containing improved lenses
NeX [460]

Answer: Leeuwenhoek biggest contribution is to the first tenet of the cell theory.

Explanation: the first tenet of cell theory states that every living being is made of cells and even an organism can be made of just one cell able to reproduce by itself.

Leeuwenhoek observations stablish the existence of microscopic structures alive some with movement. This helped other scientists to determinate this structures were cells that can make vital processes such as feeding, breathing or reproducing which are determinant in biological definition of life.

7 0
3 years ago
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I do believe to are correct

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disa [49]

Answer:

Explanation:

Ok so it will be the first one but it migt be the second on for the simple fact that they both use CO2 and O2

I might be wrong because i am working on that to in my Bio class

3 0
3 years ago
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