Etymology:
The word "diploid" is derived from the Greek words:
Meaning:
Diploid refers to a cell or organism that has two complete sets of chromosomes. Each homologous chromosome in a diploid cell carries one copy of a gene.
Origin:
The term "diploid" was first used in 1905 by German botanist Theodor Boveri to describe cells with a double set of chromosomes. Boveri's research showed that normal human body cells have 23 pairs of chromosomes (46 in total), and that sperm and egg cells have only 23 unpaired chromosomes.
In Genetics:
In genetics, the diploid number of chromosomes is twice the haploid number (n). The haploid number represents the number of chromosomes in a single set, which is typically found in gametes (sex cells) such as sperm and eggs. For example, humans have a diploid number of 46 chromosomes (2n = 46) and a haploid number of 23 chromosomes (n = 23).
Importance:
Diploidy is essential for the reproduction of most animals and plants. It ensures that each new individual inherits one copy of each gene from each parent, providing a combination of genetic material and reducing the risk of genetic disorders.
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digraph etymology meaning and origin node shape box etymology label Etymolo
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