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Meiosis is a type of cell division which results in four daughter cells containing half the number of chromosomes of the parent cell. In the human life cycle, meiosis immediately precedes fertilization

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βˆ™ 10y ago
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βˆ™ 5mo ago

No, random fertilization does not occur during meiosis. Meiosis is a process that involves the division of sex cells to produce gametes, while fertilization is the fusion of gametes during sexual reproduction. Random fertilization occurs when a sperm cell randomly fuses with an egg cell during sexual reproduction.

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βˆ™ 11y ago

Meiosis is the creation of sex cells.fertilization is when a male sex cell(sperm) unites with a female sex cell(egg) and creates a fertilized egg called a zygote.

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βˆ™ 15y ago

yes its one of the 3 processes which take place
1.Independent Assortment
2.Crossing Over(Chiasmata)
3.Random Fertilisation

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βˆ™ 12y ago

Yes.

Meiosis is when a cell divides in half without duplicating its DNA, producing two cells with half the normal amount of DNA.

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βˆ™ 12y ago

Yes, but only one daughter cell will become the ovum. It gets almost all of the cytoplasm and is much larger than the other three daughter cells.

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βˆ™ 8y ago

Of course it does not. Mitosis is taking palce

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Q: Does random fertilization occur during meiosis?
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Is meiosis necessary before fertilization Can occur?

Yes, meiosis is necessary before fertilization can occur because meiosis is the process by which gametes (eggs and sperm) are formed. During meiosis, the cell's chromosome number is halved, so that when the egg and sperm fuse during fertilization, the resulting zygote will have the correct number of chromosomes.


Why must meiosis occur before fertilization?

Meiosis is necessary before fertilization because it reduces the chromosome number by half in the gametes, ensuring that when the egg and sperm fuse during fertilization, the resulting zygote has the correct number of chromosomes. This process is essential for genetic diversity and the successful development of the offspring.


Does sexual life cycles differ with respect to the relative timing of meiosis and fertilization?

Yes, sexual life cycles can differ based on the relative timing of meiosis and fertilization. In some organisms, such as animals, meiosis and fertilization occur separately and alternately, resulting in a diploid-dominant life cycle. In contrast, in some algae and fungi, meiosis and fertilization can occur in close succession, leading to a haploid-dominant life cycle.


When and why does meiosis occur?

Meiosis occurs in sexually-reproducing organisms during the formation of gametes (sperm and egg cells). It is necessary to reduce the chromosome number by half, ensuring that when the gametes combine during fertilization, the resulting offspring will have the correct number of chromosomes.


Which does not occur during meiosis?

DNA replication does not occur during meiosis. Meiosis is a specialized cell division process that involves two rounds of division to produce gametes with half the number of chromosomes as the parent cell. DNA replication happens during the interphase preceding meiosis.

Related questions

How meiosis help in generating variations?

Meiosis generates variations due to activities like independent assortment of chromosomes, crossing over and random fertilization that occur during the process. Meiosis occurs during sexual reproduction.


Is meiosis necessary before fertilization Can occur?

Yes, meiosis is necessary before fertilization can occur because meiosis is the process by which gametes (eggs and sperm) are formed. During meiosis, the cell's chromosome number is halved, so that when the egg and sperm fuse during fertilization, the resulting zygote will have the correct number of chromosomes.


Why must meiosis occur before fertilization?

Meiosis is necessary before fertilization because it reduces the chromosome number by half in the gametes, ensuring that when the egg and sperm fuse during fertilization, the resulting zygote has the correct number of chromosomes. This process is essential for genetic diversity and the successful development of the offspring.


Does sexual life cycles differ with respect to the relative timing of meiosis and fertilization?

Yes, sexual life cycles can differ based on the relative timing of meiosis and fertilization. In some organisms, such as animals, meiosis and fertilization occur separately and alternately, resulting in a diploid-dominant life cycle. In contrast, in some algae and fungi, meiosis and fertilization can occur in close succession, leading to a haploid-dominant life cycle.


If a child is born with down syndrome when did the mutation occur?

During meiosis


What type of division occur to produce an embryo plant from the diploid zygote formed after fertilization?

meiosis


What the ways new genetic combinations are formed during meiosis?

New genetic combinations during meiosis can occur through processes like crossing over, where homologous chromosomes exchange genetic material, and independent assortment, where homologous chromosomes line up randomly during metaphase I. These mechanisms lead to genetic variation and the creation of unique combinations of alleles in offspring.


How many times does meiosis occur in a human?

Remember that meiosis occurs during the production and maturation of gametes so it occurs very often! In males, it occurs virtually throughout their whole life and in females, meiosis I completes at every ovulatory cycle until menopause and meiosis II completes with fertilization.


Explain how meiosis creates genetic diversity in populations.-?

 Meiosis creates genetic diversity due to the processes that occur during meiosis. Such as crossing over which creates new gene combinations due homlogous chromosomes swapping or exchanging DNA segments. Independent assortment is also during meiosis and allows the random assortment of homologous chromosomes during metaphase 1.


Explain how meiosis creates genetic diversity in populations.?

  Meiosis creates genetic diversity due to the processes that occur during meiosis, such as crossing over which creates new gene combinations due homologous chromosomes swapping or exchanging DNA segments. Independent assortment is also during meiosis and allows the random assortment of homologous chromosomes during metaphase 1.


When does replication occur during meiosis?

Interphase


When and why does meiosis occur?

Meiosis occurs in sexually-reproducing organisms during the formation of gametes (sperm and egg cells). It is necessary to reduce the chromosome number by half, ensuring that when the gametes combine during fertilization, the resulting offspring will have the correct number of chromosomes.