heterogamy
21Anisogamy — (also called heterogamy) refers to a form of sexual reproduction involving gametes of different sizes. The smaller gamete is considered to be male (sperm cell) whereas the larger gamete is regarded as female (egg cell).There are several types of… …
22gamete — gametic /geuh met ik/, gametal /geuh meet l/, adj. gametically, adv. /gam eet, geuh meet /, n. Biol. a mature sexual reproductive cell, as a sperm or egg, that unites with another cell to form a new organism. [1885 90; < NL gameta < Gk gamet (s.… …
23heterogamous — Relating to heterogamy. * * * het·er·og·a·mous .het ə räg ə məs adj having or characterized by fusion of unlike gametes compare ANISOGAMOUS, ISOGAMOUS * * * het·er·og·a·mous (het″ər ogґə məs) pertaining to …
24Heterogamous — Het er*og a*mous, a. [Hetero + Gr. ga mos marriage: cf. F. h[ e]t[ e]rogame.] (Bot. & Biol.) (a) The condition of having two or more kinds of flowers which differ in regard to stamens and pistils, as in the aster. (b) Characterized by heterogamy …
25Metagenesis — Met a*gen e*sis, n. [Pref. meta + genesis.] 1. (Biol.) The change of form which one animal species undergoes in a series of successively produced individuals, extending from the one developed from the ovum to the final perfected individual. Hence …
26orthogamy — or*thog a*my, n. [Ortho + Gr. ? marriage.] (Bot.) Direct fertilization in plants, as when the pollen fertilizing the ovules comes from the stamens of the same blossom; opposed to {heterogamy}. [1913 Webster] …
27parthenogenesis — par the*no*gen e*sis (p[aum]r th[ e]*n[ o]*j[e^]n [ e]*s[i^]s), n. [Gr. parqe nos a virgin + E. genesis.] 1. (Biol.) The production of new individuals from virgin females by means of ova which have the power of developing without the intervention …
28Asexual reproduction — in liverworts: a caducous phylloid germinating Asexual reproduction is a mode of reproduction by which offspring arise from a single parent, and inherit the genes of that parent only, it is reproduction which does not involve meiosis, ploidy… …
29Gamete — A gamete (from Ancient Greek γαμέτης gametes husband / γαμετή gamete wife ) is a cell that fuses with another cell during fertilization (conception) in organisms that reproduce sexually. In species that produce two morphologically distinct types… …
30List of genetics-related topics — This is a list of terms related to genetics. NOTOC # * 3 end * 5 end A * Acentric chromosome * Achondroplasia * Active site * Adam s Curse * Adaptation * Adenine * Adenosine * Adenovirus * Adenosine diphosphate (ADP) * Ala * Alagille syndrome *… …
