A karyotype shows the shape, relative sizes and general structures of an organism's chromosomes. This technique, which uses special dyes and microscopes to view the chromosomes, is very useful for detecting large mutatio... More » Science Biology Cells

The threadlike structures found in a nucleus are called chromosomes. Chromosomes are found in all of the body's cells except for red blood cells, which are referred to as anuclear. They are composed of DNA that carries g... More » Science Biology Cells

The rod shaped structures in the nucleus of a cell are chromosomes. They carry genetic material in a "rod" of DNA that is bonded to various proteins in the cell nucleus. More » Science Biology Cells
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The function of a cell membrane, also referred to as the plasma membrane, is to protect the structures within the cell, give shape to the cell and support its structure. More » Science Biology Cells

A normal human karyotype typically contains 23 pairs of chromosomes. Abnormalities in the number of chromosomes may result in genetic defects or serious health issues. More » Science Biology Molecular Biology & DNA

As explained by DevBio, nondisjunction is what happens when a pair of chromosomes do not separate properly during meiosis. According to Indiana University-Purdue University Indianapolis (IUPUI), nondisjunction can occur ... More » Science Biology Cells

Mitosis is the process where one cell divides into two cells with the same number of chromosomes as the original cell, while meiosis is the process where one cell divides into four cells with half the number of chromosom... More » Science Biology Cells