Cell Division (2)

Science

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Cell Division (2)

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Deoxyribonucleic acid or DNA (2)

Each unit of nucleotide consists of three components which are deoxyribose sugar, a nitrogenous base and a phosphate group

Genetics

Is a study of genes, hereditary and variations in organisms

Gene (2)

The function of the gene to control the inherited characteristics in an organism such as tongue-rolling ability in humans, the shape of the green pea and the colour of the cat's fur

Gene (3)

Genes are arranged as segments in the DNA along the chromosomes

Structure of chromosome

Gene of each chromosome

Each chromosomes has several types of genes, from 200 - 300 genes for each chromosome

Chromosomes for every species in the world

Each species on Earth has a fixed number of chromosomes

The number of chromosomes in a normal somatic cell

The human body cell contains 46 chromosomes

Shapes and sizes of each chromosomes

Each chromosomes exists in pairs of similar shapes and sizes

Deoxyribonucleic acid or DNA (3)

DNA is made of two twisted antiparallel polynucleotide chains forming a structure known as double helix

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Cell Division (2)

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