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Lexicon

The largest wine encyclopedia in the world with 26,487 Terms.

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diploid

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Term for the double number of homologous chromosomes (DNA strand) in a cell. Homologous does not mean identical, but that the information is located at the same chromosome site, but may very well be different in terms of the base pair combination. These genes (sections) are called alleles. There are also genes that are identical - if father and mother have brown eyes (human) or homozygous (homozygous) the same berry colour (grape variety). Humans have 23 pairs of chromosomes and most grapevine species have 19 pairs.

Number of chromosome sets

A single (haploid) chromosome set contains each chromosome once, a double (diploid) chromosome set contains each chromosome twice; from triple (triploid=3) and more (tetraploid=4, hexaploid=6 etc.) this is called polyploid, the corresponding complete chromosomes occur many times. The duplication of chromosomes in germ cells with completely new genetic combinations takes place during meiosis.

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Dr. Christa Hanten

For my many years of work as an editor with a wine and culinary focus, I always like to inform myself about special questions at Wine lexicon. Spontaneous reading and following links often leads to exciting discoveries in the wide world of wine.

Dr. Christa Hanten
Fachjournalistin, Lektorin und Verkosterin, Wien

The world's largest Lexicon of wine terms.

26,487 Keywords · 47,039 Synonyms · 5,318 Translations · 31,820 Pronunciations · 217,019 Cross-references
made with ♥ by our author Norbert F. J. Tischelmayer. About the Lexicon

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