58 results found

Search Results for: mother cell

Mother cell

Definition noun (1) The cell giving rise to daughter cells by cell division. (2) Progenitor cell: the precursor or source of... Read More

Centrosome

Centrosome Definition What is a centrosome? The centrosome is considered to be the main microtubule-organizing... Read More

Parthenogenesis

To reproduce, by definition, means to produce new offspring. The process is referred to as reproduction, which is one of the... Read More

Protist

Protist Definition What is a protist? All protists are eukaryotes, i.e. organisms with the nucleus. However, they are... Read More

Plant Cells vs. Animal Cells

Plant Cells Most cells are not visible with the naked eye. However, with microscopes of various types, plant cells can be... Read More

Diploid

Diploid Definition Let's first understand the meaning of the word - diploid. From the words ‘di’, meaning "two", and... Read More

Sieve cell

Definition noun, plural: sieve cells (botany) The main conductive cell in the phloem of the gymnosperms and... Read More

Sieve element

Definition noun (botany) A food-conducting cell in the phloem of vascular plants Supplement The phloem is the vascular... Read More

Budding

Budding definition In a general context, budding refers to a state where development begins. In science, its meaning refers... Read More

Parent cell

Definition noun (1) The cell giving rise to daughter cells by cell division. (2) Progenitor cell: the precursor or source of... Read More

Sexual reproduction

Sexual reproduction is a mode of reproduction involving the fusion of haploid female gamete (egg cell) and haploid male... Read More

Cell Structure

The interior of the cell is divided into the nucleus and the cytoplasm. The nucleus is a spherical or oval-shaped structure... Read More

Haploid

In biology, haploid pertains to a condition, a cell, or an organism that has half of the usual complete set of chromosomes... Read More

Cell matrix

Definition noun plural: cell matrices cell ma·trix, ˈmeɪtɹɪks An insoluble, dynamic gel in the cytoplasm, believed... Read More

Homologous chromosome

A homologous chromosome pertains to one of a pair of chromosomes with the same gene sequence, loci, chromosomal length, and... Read More

Mutagen

Mutagen Definition What is a mutagen? A mutagen is a substance or agent that causes DNA impairment that results in the... Read More

Mother

mother 1. A female parent; especially, one of the human race; a woman who has borne a child. 2. That which has produced or... Read More

Why Embryonic Stem Cell Use is Unethical

By Vicki Mozo Embryonic Stem Cell research offers a remarkable way to treat various disorders where conventional... Read More

Cloning

Cloning Definition In biology, cloning is the process of producing similar populations of genetically identical individuals... Read More

Cell growth

Definition noun (1) The increase in cytoplasmic volume, as in cell development and cell reproduction. (2) The increase in... Read More

Human

Definition noun plural: humans hu‧man, (h)yo͞omʹn A bipedal primate belonging to the genus Homo, especially Homo... Read More

Quantal mitosis

quantal mitosis A controversial concept in cellular differentiation proposed by H. Holtzer and defined by him as a mitosis... Read More

Diploidy

Definition noun (genetics) The state of being diploid, that is having two sets of the chromosomes (and therefore two copies... Read More

Chromosome

Chromosomes Definition noun, plural: chromosomes. Word origin: Greek chroma ("color") + soma ("body"). What are... Read More

Mitochondrial DNA

Mitochondrial DNA Definition noun plural: mitochondrial DNAs The genetic material in the mitochondrion that carries code... Read More

Fragmentation

Fragmentation Definition What is fragmentation? In general, fragmentation refers to the state or the process of breaking... Read More

Insemination

The act of sowing (of seeds in the ground or, figuratively, of germs in the body or ideas in the mind, etc.).The... Read More

Acrosome

Acrosome (Science: cell biology) a membrane-bound compatment at the tip of the head of a sperm which contains lytic enzymes... Read More

Homozygote

Definition noun, plural: homozygotes A nucleus, cell or organism where the alleles for a particular gene on each chromosome... Read More

Genetic diversity

Genetic Diversity Definition Each species is composed of individuals with their own set of genes. A gene is the inheritance... Read More

Monoploid

Definition noun (genetics, cell biology) A cell or an organism consisting of one set of chromosomes adjective Of, or... Read More

Bryophytes

Bryophytes (nonvascular plants) do not have xylem or phloem. The habitations of this plant group are widely varied and... Read More

Fallopian tube

Fallopian tube (Science: anatomy) The paired tubes which connect the ovaries to the uterus and conduct the egg to the... Read More

Law of Segregation

Mendel’s Laws of Inheritance The father of genetics, Gregor Mendel, reported his findings in 1860 that were initially... Read More

Viable

Viable definition In biology, the word viable pertains to a life form, such as a cell, that is alive or capable of... Read More

Heterozygote

Definition noun, plural: heterozygotes A nucleus, cell or organism possessing two different alleles for a particular... Read More

Heredity

Reviewed by: Mary Anne Clark, PhD Heredity Definition In biology, heredity refers to the passing of genetic... Read More

Mitochondrial DNA not just from moms but also from dads?

If one wants to trace down lineage, that person could turn to the cell's powerhouse, the mitochondrion. This organelle... Read More

Polypoid

Definition noun (genetics) A cell or an organism containing more than two sets of homologous... Read More

Colony

Definition noun, plural: colonies (biology) Several individual organisms (especially of the same species) living together in... Read More