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2 years ago

Which of the following statements are true about meiosis II?

1 answer:

7 0

The separation of the sister chromatids occurs during Meiosis II because during Meiosis I occurs the separation of homologous chromosomes.

<h3>What is Meiosis I?</h3>

Meiosis I is the first cell division stage during the meiosis, which is a process that has as objective to generate four daughter cells having half the genetic material.

Meiosis has two successive rounds of cell division which are known as Meiosis I and Meiosis II, and these major stages can also be classified into sequential substages (i.e., Prophase, Metaphase, Anaphase, and Telophase). Before Meiosis, the genetic material is duplicated during the synthesis (S) phase of the cell cycle.

Homologous chromosomes are composed of two sister chromatids that separate during Anaphase II (Meiosis II).

In conclusion, the separation of the sister chromatids occurs during Meiosis II because during Meiosis I occurs the separation of homologous chromosomes.

Learn more about Meiosis here:

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Inheritance patterns cannot always be explained by Mendel's models of inheritance. If a pair of homologous chromosomes fails to

soldier1979 [14.2K]

The question is incomplete as it does not have the options which are:

A) n+1; n+1; n-1; n-1

B) n+1; n-1; n; n

C) n+1; n-1; n-1; n-1

D) n+1; n+1; n; n

Answer:

Option-1

Explanation:

The laws of inheritance were concluded from the result of Mendel's experiment which is based on the fact that gametes are formed. Later research suggested that gametes are formed by the process of meiosis which takes place in two phases and recombination is a characteristic of Meiosis.

If during anaphase I of meiosis I, the alleles fails to separate that is nondisjunction takes place at anaphase I, Then the resulting daughter cells will have unequal distribution of chromosomes.

One daughter cell will receive 1 extra copy of the chromosome while another daughter cell will receive 1 less chromosome therefore ploidy level will be n+1 and n-1.

During meiosis II, 2 more daughter cells will be formed with the same ploidy level therefore in last the meiosis will result in 2 (n+1) and 2 (n-1) cell.

Thus, Option-1 is the correct answer.

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3 years ago

Biome home to enormous herds of grazing animals, has distinct rainy season and dry seasons as well as high average temperatures,

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3 years ago

For the following nitrogen base sequence, write the complimentary sequence on the line provided.

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Answer:

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3 years ago

Explain how you determined the genotype of Maria and Juanita, even though you did not text their D a

elixir [45]

The answer is a pedigree chart.

<span>Pedigree charts are used to explain the occurrence of particular genes from one generation to the next. It gives enough information about family disease history. They are used in families to find out the probability of inheriting some disease. So, if Maria and Juanita are cousins and the genotypes of other members of their family are known, the pedigree chart could predict their genotypes. Still, it is not as precisely as DNA test.</span>

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3 years ago

Which are common to both aerobic and anaerobic respiration? Select three options.

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Answer:

A). glucose

D). carbon dioxide

E). energy

Explanation:

Aerobic Respiration is characterized as the respiration process(metabolic reaction or breaking down of glucose into energy) that occurs in presence of oxygen while anaerobic respiration takes place in the absence of oxygen. The things that are common in both include glucose, energy, and carbon dioxide. <u>Glucose is broken down in both processes(with or without oxygen) while energy and CO2 are the byproducts/released products of the process</u>. Thus, <u>options A, D, and E</u> are the correct answers.

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3 years ago

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