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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spolni

رعاية صحية; علاج السرطان

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

spolni

رعاية صحية; عامة

Having to do with reproduction.

hromozom

بيولوجيا; علم الوراثة (جينات)

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

hromozom

بيولوجيا; المَجين؛ جينوم

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

علم الآثار; التطور

(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

علم الآثار; التطور

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

metabolizam

علم الآثار; التطور

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

علم الآثار; التطور

The biological study of fossils.

ćelija

علم الآثار; التطور

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

علم الآثار; التطور

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