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konstantin123 [22]
2 years ago
9

How many sister chromatids are there in metaphase

Biology
2 answers:
VLD [36.1K]2 years ago
6 0
92 chromatids I believe
melamori03 [73]2 years ago
5 0
In humans there are 46 chromosomes present during metaphase, but 92 chromatids.
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The answer is A) Carbon
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3 years ago
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Mendel bred an unknown plant displaying a dominant phenotype with an individual showing the recessive phenotype; then, he analyz
kodGreya [7K]

What Mendel did according to the illustration would be called test-crossing.

<h3>Test-crossing</h3>

In genetics, test crossing is a procedure through which the zygosity of an individual can be determined - whether it is homzygous or heterozygous.

Test crossing requires that an organism who displays a dominant trait but whose zygosity is unknown is crossed with another organism of the same species but who displays the recessive version of the same trait.

By so doing and using the knowledge of probability, the resulting offspring from the cross will be used to determine the zygosity level of the parent.

More on test crossing can be found here: brainly.com/question/16805498

5 0
2 years ago
When two genes from two different people are sequenced and aligned, it is discovered that there are multiple sequence difference
REY [17]

Answer:

The best answer to the question: What is the most likely explanation for this observation, would be, B: RNA processing removes the different segments from the mRNA molecules of each person prior to translation.

Explanation:

In order for cells to work, they depend on one of the four major macromolecules; proteins. These proteins are the messengers that carry out genetic commands from the DNA and they will ensure that all processes, including transcription and translation of new proteins, are carried out correctly. In order to produce proteins, the first step is for the DNA to be transcribed into mRNA, a nucleic acid that carries out the information on the DNA for protein generation. Once transcription stops, mRNA undergoes a series of clipping and reorganizing steps that will ensure that when it is decoded for protein formation, the process will be successful. These control steps are all part of the RNA processing mechanism that enures mRNA will successfully be translated into working proteins.

The reason why from genes of different people, a very similiar protein chain may result, is also explained from the fact that codons (a grouping of three nucleotides present in mRNA), when read by ribosomes, and coupled by tRNA, can pair these codons with similar amino acids. Thus, one codon, or similar codons, may code for a singular amino acid. However, mechanisms in the cells prevent these kinds of anomalies, by repairing the mRNA sequence before it is translated into protein.

7 0
2 years ago
Which best describes the difference between osmosis and diffusion
Nana76 [90]
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2 years ago
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What is ribosomes ??​
UNO [17]

Answer:

<em>Definition. A ribosome is an intercellular structure made of both RNA and protein, and it is the site of protein synthesis in the cell.</em>

Hope its helpful!

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