What are chromosomes give examples?

Chromosomes are the thread-like structure present in the nucleus of plant and animal cells. Chromosomes are the vehicle that carries DNA (the genetic material of the cell) wrapped around by the histone proteins.

What is the chromosome?

(KROH-muh-some) A structure found inside the nucleus of a cell. A chromosome is made up of proteins and DNA organized into genes. Each cell normally contains 23 pairs of chromosomes.

What is the real example of a chromosome?

For example, humans have 23 pairs of chromosomes–22 pairs of numbered chromosomes called autosomes, 1 through 22, and one pair of sex chromosomes, X and Y. Each parent contributes one chromosome of each pair to an offspring.

What are chromosomes Class 9?

Chromosomes are thread-like structures present in the nucleus. They are important because they contain the basic genetic material DNA. These are present inside the nucleus of plants as well as animal cells.

What are chromosomes class8?

A chromosome is a DNA molecule that consists of a part or all of the genetic material of an organism. The chromosome is present in the nucleus of each cell, and it is packaged into thread-like structures. Structurally, each chromosome is composed of DNA that is tightly coiled around special proteins called histones.

What are chromosome types?

Human chromosomes

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Chromosomes in humans can be divided into two types: autosomes (body chromosome(s)) and allosome (sex chromosome(s)). Certain genetic traits are linked to a person’s sex and are passed on through the sex chromosomes. The autosomes contain the rest of the genetic hereditary information.

What is chromosome and its function?

Chromosomes are thread-like structures present in the nucleus, which carries genetic information from one generation to another. They play a vital role in cell division, heredity, variation, mutation, repair and regeneration.

What’s an example of DNA?

An example of DNA is the chain of basic materials in the chromosomes of the human cell.

What is example of mitosis?

An example of mitosis is the way the skin cells covering a child’s body all multiply while they are growing. The process in cell division in eukaryotes in which the nucleus divides to produce two new nuclei, each having the same number and type of chromosomes as the original.

What is a real life example of DNA?

DNA, or deoxyribonucleic acid, is the fundamental building block for an individual’s entire genetic makeup. It is a component of virtually every cell in the human body. Further, a person’s DNA is the same in every cell. For example, the DNA in a man’s blood is the same as the DNA in his skin cells, semen, and saliva.