spolni hromozom

spolni hromozom

The chromosome or chromosomes that influence sex determination. In mammals, including humans, the X and Y chromosomes are the sex chromosomes (females are XX, males XY). Compare with autosome.

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Vārdšķira: noun
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Nozare/domēns: Archaeology
Category: Evolution
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spolni

Health care; Cancer treatment

Refers to the genitalia (external and internal sex organs and glands).

spolni

Health care; General

Having to do with reproduction.

hromozom

Biology; Genetics

Linear piece of eukaryotic DNA, often bound by specialized proteins known as histones.

hromozom

Biology; Genome

The self-replicating genetic structure of cells containing the cellular DNA that bears in its nucleotide sequence the linear array of genes. In prokaryotes, chromosomal DNA is ...

tipologija

Archaeology; Evolution

(1) The definition of classificatory groups by phenetic similarity to a "type" specimen. A species, for example, might be defined as all individuals less than x phenetic units ...

mimikrija, imitiranje, podražavanje

Archaeology; Evolution

A case in which one species looks more or less similar to another species. See Batesian mimicry and Müllerian mimicry.

metabolizam

Archaeology; Evolution

The chemical processes that occur in a living organism in order to maintain life. There are two kinds of metabolism: constructive metabolism, or anabolism, the synthesis of the ...

paleobiologija

Archaeology; Evolution

The biological study of fossils.

ćelija

Archaeology; Evolution

The basic structural and functional unit of most living organisms. Cell size varies, but most cells are microscopic. Cells may exist as independent units of life, as in bacteria ...

klasifikacija

Archaeology; Evolution

The arrangement of organisms into hierarchical groups. Modern biological classifications are Linnaean and classify organisms into species, genus, family, order, class, phylum, ...

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Nozare/domēns: Biology Category: Human genome

eugenika

Eugenics is a bio-social movement which advocates the practice that very talented people should spread their genes by having more children, and less ...