Ploidy - Wikipedia
The nucleus of a eukaryotic cell is haploid if it has a single set of chromosomes, each one not being part of a pair.By extension a cell may be called haploid if its nucleus is haploid, and an organism may be called haploid if its body cells (somatic cells) are haploid.
Haploid - Simple English Wikipedia, the free encyclopedia
Haploid is the term used when a cell has half the usual number of chromosomes.A normal eukaryotic organism is composed of diploid cells, one set of chromosomes from each parent.
Biology4Kids.com: Cell Structure: Chromosomes
Biology4Kids.com! This tutorial introduces chromosomes. Other sections include plants, animal systems, invertebrates, vertebrates, and microorganisms.
UCMP Glossary: H
UCMP Glossary: H | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | habit-- The general growth pattern of a plant.A plant's habit may be described as creeping, trees, shrubs, vines, etc.
Doubled haploidy - Wikipedia
A doubled haploid (DH) is a genotype formed when haploid cells undergo chromosome doubling. Artificial production of doubled haploids is important in plant breeding.. Haploid cells are produced from pollen or egg cells or from other cells of the gametophyte, then by induced or spontaneous chromosome doubling, a doubled haploid cell is produced ...
Haploidie – Wikipedia
Von Haploidie (altgriechisch ἁπλόος haplóos, ‚einfach‘) wird gesprochen, wenn das Genom (Erbgut) einer (Eukaryoten-)Zelle oder eines Prokaryoten (z. B. eines Bakteriums) nur einfach vorhanden ist, also jedes Allel in jeweils nur einer einzigen Ausprägung vorkommt.
chromosome number | Definition, Haploid, & Diploid ...
Chromosome number: Chromosome number, precise number of chromosomes typical for a given species. In most sexually reproducing organisms, somatic cells are diploid, containing two copies of each chromosome, while the sex cells are haploid, having one copy of each chromosome.
Biology Dictionary - D - Macroevolution.net - Biology ...
Biology Dictionary - D to DZO: Meanings of biology terminology and abbreviations starting with the letter D.
Glossary of Terms: H - Physical Geography
Habitat Location where a plant or animal lives. Hadean Geologic eon that occurred from 3800 to 4600 million years ago. . The Earth's oldest rocks date to the end of this time per
BBC - GCSE Bitesize Science - The menstrual cycle and ...
Eggs (ova) and sperm have half the number of chromosomes [chromosome: One of the rod shaped bodies found in the nucleus of cells that contain genetic information (DNA).] of normal body cells. They are called haploid cells rather than diploid [diploid: An organism or cell that contains two copies ...