Chromosomes assist in the process of cell division by distributing DNA.<span> They act as a container to hold in the DNA molecules
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Every living creature relies on cell division for its existence. Cell division is essential for the organism to grow and function. In order for cell division to occur, new cells need to receive the genetic information contained in the DNA. Because DNA molecules are too large to fit inside the cells, chromosomes ensure that the DNA makes it to the cells by holding them in and keeping them attached to proteins known as histones.
If the structure of a chromosome changes before being transferred to the new cell, malformations can occur. Similarly, if the number of chromosomes is incorrect, it can create a genetic defect. Illnesses, such as cancer, may occur as a result of a defective chromosome. Down syndrome is an example of a condition that is caused by a chromosomal error. A person with Down syndrome has an extra copy of their 21st chromosome.
Genetic information is contained in the DNA and carried by the chromosomes. This material influences the traits and characteristics inherited by the offspring. Traits, such as flower color and seed shape, in plants are determined by this genetic information. In humans, the offspring inherits two sets of chromosomes, one from each parent. The combination of these sets determines characteristics like hair color, eye color, height, and gender. Information about gender is set by the X and Y chromosomes. Males have an X chromosome and a Y chromosome, while females have a pair of Y chromosomes.
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Answer:
Mitosis and meiosis are similar at the level of writing, and possess a very close mechanism; however, they do not achieve the same result!
Mitosis corresponds to a single "asexual" cell division of somatic cells (almost all cells in the body), and clones two daughter cells from a mother cell, which will be identical, and inherit exactly the same heritage genetic, indeed these two daughter cells will each have an identical karyotype (same chromosomes) and an identical genotype (same alleles) to that of the mother cell.
Meiosis corresponds to two successive "sexual" cell divisions affecting only germ cells; starting from a diploid cell (chromosomes present in pairs), meiosis leads to the formation of four gametes (haploid sexual cells, spermatozoa or oocytes) (a single copy of the chromosomes). Then, during fertilization, two gametes (each from meiosis, in the male and female) come together to form a zygote, in which diploidy will be restored.
The right answers are:
create two identical cells ==> mitosis
create four non-identical cells ==> meiosis
create haploid cells ==> meiosis
creates diploid cells ==> mitosis
occurs in all cels other tha gametes ==> mitosis
occurs in all cells related to sexual reproduction ==> meiosis
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Explanation:
Answer:
decreased mass - less energy needed for movement - less carbohydrates required - more available ATP
Explanation:
Solution; Increased muscle mass in athletes will increase the number of mitochondria in body. Mitochondria provides energy to cells of our body so more mitochondria will results in more energy and due to large amount of energy there will be increased cellular respiration and less fatigue, thus athletic performance will be improved.
