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DNA (deoxyribonucleic acid) could be the cell’s genetic product, found in chromosomes inside the cellular nucleus and mitochondria

With the exception of specific cells (as an example, semen and egg cells and blood that is red), the mobile nucleus contains 23 pairs of chromosomes. A chromosome contains genes that are many. A gene is a portion of DNA providing you with the rule to create a protein.

The DNA molecule is a lengthy, coiled dual helix that resembles a staircase that is spiral. Inside it, two strands, made up of sugar (deoxyribose) and phosphate particles, are linked by pairs of four particles called bases, which form the actions regarding the staircase. Adenine is paired with thymine and guanine is paired with cytosine in the steps. Each couple of bases is held together with a hydrogen relationship. A gene is made of a series of bases. Sequences of three bases code for the acid that is amino acids will be the foundations of proteins) or other information.

A collection of normal chromosomes from a male. The intercourse chromosomes (final set) are designated XY.

Image due to the Centers for infection Control and Prevention Public wellness Image Library and Suzanne Trusler, MPH, DrPH.

One of many two X chromosomes in females is turned off through a procedure called X inactivation. A microscopic specimen of a cell nucleus from a female shows this inactive X chromosome as a dense lump (arrow) on the right. A specimen from a male is shown for comparison on the left.

Thanks to Drs. L. Carrell and H. Williard, Case Western Reserve University School of Medicine.

Genes are found in chromosomes, that are primarily into the mobile nucleus.

A chromosome contains hundreds to a huge number of genes. Continue reading