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raketka [301]
3 years ago
10

The main events in meiosis During the first division, chromosomes pair and sections of are exchanged between non-sister chromati

ds as a result of crossing over (prophase I). The nuclear membrane fragments and pairs of homologous chromosomes become aligned on the . One chromosome of each pair is lined up on either side of the equator (metaphase I). The pairs of chromosomes are separated and pulled apart (anaphase I) to either pole to form the first two daughter nuclei (telophase I). divides the cytoplasm and each daughter cell now contains the number of chromosomes.During the second division, the nuclear membrane fragments and individual chromosomes composed of 2 sister become aligned on the equator of the spindle (metaphase II). The pairs of chromatids are separated and pulled apart (anaphase II) to either to form daughter nuclei as the nuclear membranes reform around the new nuclei (telophase II). Cytokinesis divides the two cells into fou
Biology
1 answer:
andrew11 [14]3 years ago
8 0

Answer:

Cytokinesis divides the two cells into four daughter cells.

Explanation:

Meiosis is a type of cell division in which a single cell is divided into four daughter cells. These daughter cells are haploid i. e. half number of chromosomes. This type of cell division occurs only in sex cells of male and female organisms. There are two phases of meiosis. In meiosis 1, a single cell is divided into two daughter cells while in meiosis 2, these two daughter cells again divided into four daughter cells.

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Which of the following best describes what happens during the phases of mitosis shown in the diagram?
Alexeev081 [22]

The given diagram represents Metaphase and Anaphase on the left and right sides respectively, which occur during mitosis.

The diagram depicts two phases, i.e. Metaphase as well as Anaphase, which are observed during the process of mitosis. Mitosis can be defined as a type of cell division where a particular cell (parent cell) undergoes division in order to give rise to two new cells (daughter cells). These newly formed cells are genetically similar to the parent cell.

During Metaphase, the chromosomes appear to be arranged in the central region of the cell in a linear fashion. During Anaphase, the chromatids segregate from each other and progress towards opposite ends of the cell undergoing mitosis.

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7 0
1 year ago
Donna is concerned about her adolescent daughter's tendency to flare-up at the mildest provocations. Donna says that her daughte
Assoli18 [71]

Answer:

Explanation:

Based on the scenario being described it can be said that this would partly be explained by the biological reason that the amygdala, which is the seat of emotions such as anger—matures earlier than the prefrontal cortex in adolescents. Thus mostly explaining why Donna is first and foremost clouded by her emotions instead of logically reasoning through a situation.

3 0
3 years ago
In the final stage of glucose metabolism, the high-energy electrons from NADH and FADH2 are removed and used to produce more ATP
likoan [24]

Answer:

Explanation:

This might help-?;

Electron Transport System and Oxidative Phosphorylation: ATP is generated when electrons are transferred from the energy-rich molecules like NADH and FADH 2, produced in glycolysis, citric acid cycle and fatty acid oxidation to molecular O 2 by a series of electron carriers. O 2 is reduced to H 2 O

8 0
2 years ago
Explain the benefits of animals working together in groups.
guapka [62]

Answer:

Explanation:

they are able to get things done more effectively and faster. for example wolves will hunt in packs so that they are able to take down prey that they would not normally be able to alone, like a deer or a moose.

6 0
3 years ago
The estimated density or number of individuals needed for a species to maintain or increase its numbers in a region is the _____
AURORKA [14]

Answer:

The given blank can be filled with minimum viable population.

Explanation:

The MVP or the minimum viable population refers to the lowest number of individuals or the minimum density of the population of a species that can thrive in a specific region. The term is generally used in the fields of ecology, biology, and conservation biology.  

The minimum viable population refers to the smallest probable size at which the population can prevail without encountering extinction due to demographic or natural disasters, genetic, or environmental stochasticity. Generally, MVP is utilized to signify towards a wild population, however, it can also be utilized for ex-situ conservation.  

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3 years ago
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