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Constancy of a chromosome number from one cell generation to the next is maintained through?

the process of mitosis, where a cell divides to produce two daughter cells with the same number of chromosomes as the original cell. Mitosis ensures that each daughter cell receives an identical set of chromosomes, maintaining the constancy of the chromosome number.


What is the heritable factors retain their identity generation after generation?

Genes are the heritable factors that retain their identity generation after generation. Genes are passed down from parents to offspring through the transmission of DNA, which contains the instructions for building and maintaining an organism's traits. This continuity of genes ensures that certain characteristics and traits are consistently inherited across different generations.


Why must the sex cells have half the chromosome number of the normal body cells?

Sex cells must have half the chromosome number of normal body cells because during fertilization, when sperm and egg cells join, the resulting zygote will have the correct chromosome number. This ensures genetic diversity in offspring and helps maintain the stability of the species' chromosome number.


How is the correct number of chromosomes maintained during sexual reproduction?

During sexual reproduction, the correct number of chromosomes is maintained through a process called meiosis, which reduces the chromosome number in half. This ensures that when two gametes (sperm and egg) combine during fertilization, the resulting zygote has the correct number of chromosomes for that species.


How does meiosis help the chromosome number of a species remain constant?

Meiosis is a specialized form of cell division that reduces the chromosome number by half, producing gametes (sperm and eggs) with a haploid set of chromosomes. When fertilization occurs, these gametes combine to restore the diploid chromosome number in the resulting zygote. This process ensures that each generation maintains the species' characteristic chromosome number, preventing any increase or decrease in genetic material over successive generations. Thus, meiosis plays a crucial role in preserving genetic stability within a species.

Related Questions

Constancy of a chromosome number from one cell generation to the next is maintained through?

the process of mitosis, where a cell divides to produce two daughter cells with the same number of chromosomes as the original cell. Mitosis ensures that each daughter cell receives an identical set of chromosomes, maintaining the constancy of the chromosome number.


How is the chromosome number maintained during cell division, specifically in the processes of mitosis or meiosis?

During cell division, the chromosome number is maintained through the processes of mitosis and meiosis by ensuring that each daughter cell receives the correct number of chromosomes. In mitosis, the replicated chromosomes are separated equally into two daughter cells, while in meiosis, the chromosomes are divided twice to produce four daughter cells with half the original number of chromosomes. This ensures that the chromosome number is maintained in the offspring cells.


What is an organism most important activity?

To reproduce; or to replicate, this ensures that the organism lives on.


What is the heritable factors retain their identity generation after generation?

Genes are the heritable factors that retain their identity generation after generation. Genes are passed down from parents to offspring through the transmission of DNA, which contains the instructions for building and maintaining an organism's traits. This continuity of genes ensures that certain characteristics and traits are consistently inherited across different generations.


Why is it important to reduce the chromosome number by half during mytosis?

mytosis creates sex cells - either eggs (in girls) or sperm (in boys). They have 1/2 the number of chromosomes. When an egg and sperm combine, they create one full cell - one half plus one half = one whole. The fetus is created from that one full cell.


How is the correct number of chromosomes maintained during sexual reproduction?

During sexual reproduction, the correct number of chromosomes is maintained through a process called meiosis, which reduces the chromosome number in half. This ensures that when two gametes (sperm and egg) combine during fertilization, the resulting zygote has the correct number of chromosomes for that species.


Why must the sex cells have half the chromosome number of the normal body cells?

Sex cells must have half the chromosome number of normal body cells because during fertilization, when sperm and egg cells join, the resulting zygote will have the correct chromosome number. This ensures genetic diversity in offspring and helps maintain the stability of the species' chromosome number.


What ensures that each new eukaryotic cell receives a copy of each chromosome?

Mitosis results in two identical cells being produced from the original cell. A copy of each chromosome is made before the cell divides and one of each chromosome goes to each new cell.


What process ensures that each new eukaryotic cell receives a copy of each chromosome?

Metoisis


What ensures an ecosystem won't collapse if one organism died?

jewz


Who ensures that an acceptable security posture is maintained for the information system or organization?

Information Assurance Officer


How does meiosis help the chromosome number of a species remain constant?

Meiosis is a specialized form of cell division that reduces the chromosome number by half, producing gametes (sperm and eggs) with a haploid set of chromosomes. When fertilization occurs, these gametes combine to restore the diploid chromosome number in the resulting zygote. This process ensures that each generation maintains the species' characteristic chromosome number, preventing any increase or decrease in genetic material over successive generations. Thus, meiosis plays a crucial role in preserving genetic stability within a species.