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markone
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what is Mechanism of DNA double from 1N to 2N ?
markone said:what is Mechanism of DNA double from 1N to 2N ?
markone said:thank you
OK let make question clearly
after Meiosis
when we have tow cell each one has chromosome i.e. 'n' how double chromosome i.e to be
2n
How does a haploid cell turn into a diploid cell?
DNA, or deoxyribonucleic acid, is a molecule that contains the genetic instructions for all living organisms. It is made up of a long sequence of nucleotides, which are composed of a sugar, a phosphate group, and one of four nitrogenous bases (adenine, thymine, guanine, and cytosine).
The terms 1N and 2N refer to the number of sets of chromosomes in a cell. 1N, also known as haploid, means that the cell contains one set of chromosomes, while 2N, also known as diploid, means that the cell contains two sets of chromosomes.
The mechanism of DNA doubling from 1N to 2N is called DNA replication. During this process, the two strands of the DNA molecule separate and each strand serves as a template for the synthesis of a new complementary strand. This results in two identical DNA molecules, each containing one original and one newly synthesized strand.
DNA doubling is important because it is essential for cell division and the growth and development of an organism. During cell division, the replicated DNA is passed on to the daughter cells, ensuring that each cell has the same genetic information as the parent cell. This process is crucial for maintaining genetic stability and passing on traits to future generations.
Yes, DNA doubling can be altered or mutated due to errors during DNA replication or exposure to mutagens (agents that can cause mutations). Mutations in DNA doubling can lead to genetic disorders, diseases, or even beneficial adaptations in an organism's genetic makeup.