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Search Results for: gamete

Gamete

Definition of Gamete What is a gamete? A gamete is the mature reproductive or sex cell that contains a haploid number of... Read More

Law of Purity of Gametes

Definition noun (genetics) Gregor Mendel's law stating that the unit factors are brought together and paired during union or... Read More

Law of Segregation

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

Meiosis

What is Meiosis? A simple definition of meiosis would be is this: meiosis is the process of cell division that results in... Read More

Asexual reproduction

Asexual Reproduction Definition What is asexual reproduction? Asexual reproduction is a mode of reproduction that does not... Read More

Zygote

Zygote Definition What is a zygote? A zygote is a fertilized eukaryotic cell. In biology, medical science, and other allied... Read More

Amphimixis

Definition noun, plural: amphimixes The union or the fusion of the male and the female gametes during sexual... Read More

Extracellular inheritance

Definition noun A form of non-Mendelian inheritance in which a trait was transmitted from the parent to offspring through... Read More

Autopolyploidy

Definition noun (genetics) A type of euploidy wherein the additional set of chromosomes is derived from a parent or... Read More

Polypoid

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

Extranuclear inheritance

Definition noun A form of non-Mendelian inheritance in which a trait was transmitted from the parent to offspring through... Read More

Diploid

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

Law of Independent Assortment

Law of Independent Assortment Definition noun (genetics) Mendelian law stating that for every pair of unit factors, each... 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

Nullisomy

Definition noun (genetics) A type of aneuploidy characterized by the loss of a pair of homologous... Read More

Organism

An organism refers to a living thing that has an organized structure, can react to stimuli, reproduce, grow, adapt, and... Read More

Monoploid

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

Pseudogamy

Definition noun (1) A form of parthenogenesis wherein the sperm stimulates the egg cell to develop into an embryo without... Read More

Developmental Biology

For the human species to continue surviving, it is essential that mature adults are capable of producing fertile offspring,... Read More

Haploidy

Definition noun (genetics) The state of being haploid, that is having half of the set of homologous chromosomes in somatic... Read More

Heredity

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

Sporophyte generation

Definition noun (botany) A phase in the life cycle of certain plants and algae that starts with the union of gametes up to... 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

Ookinete

Definition noun, plural: ookinetes The motile zygote formed by the fertilization of microgamete and macrogamete of certain... Read More

Heterogametic

Definition adjective Having more than one kind of sex chromosome (or gamete) Supplement In humans, males are naturally... Read More

Pollen Grain

A structure produced by plants containing the male haploid gamete to be used in reproduction. The gamete is covered by... Read More

Polyploid

Definition noun, plural: polyploids A cell or an organism having a genome with multiple (more than two) sets of homologous... Read More

Homogametic

Definition adjective Having or producing gametes that possess one type of sex chromosome Supplement In humans, females are... Read More

Pollinator

Pollinator A pollinator is the agent that moves pollen from the male anthers of a flower to the female stigma of a flower to... Read More

Trisomy

Definition noun, plural: trisomies (genetics) A type of aneuploidy characterized by the gain of an extra copy of a... Read More

Protist

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

Gamophobia

Definition noun An abnormal fear of marriage or being married. Supplement Word origin: gamo > gamete: Ancient Greek... Read More

Law of Dominance

Definition noun (genetics) Gregor Mendel's law stating that when two alleles of an inherited pair is heterozygous, then,... Read More

Mendels Law of Heredity

Definition noun A set of generalizations based on Gregor Mendel's published scientific works that attempts to explain... Read More

Monogenic inheritance

Definition noun A form of inheritance that follows Mendel's Law of Heredity Supplement Monogenic inheritance refers to the... Read More

Red algae

The red algae belong to the phylum Rhodophyta which literally was derived from the Greek word ῥόδον (rhodon), meaning... Read More

Gametophyte generation

Definition noun (botany) A phase in the life cycle of certain plants and algae that starts with a spore up to the time that... Read More