(n.) The act of coupling or joining; union; conjunction.
(n.) The coming together of male and female in the act of generation; sexual union; coition.
Example Sentences:
(1) Using allozymes as the genetic probe, data are presented which show that wild Drosophila buzzatii females and males engaged in copulation mate at random.
(2) The inhibition is desappears if placed under copulation conditions during a full cycle.
(3) Circular cuts which surgically isolated the medial basal hypothalamus (MBH) from the remainder of the brain did not prevent copulation 4 to 24 h later, but did block reflex ovulation.
(4) Eight rats of the PCPA group and only two of the vehicle, started to copulate.
(5) Incubation of normal pig lymphocytes in serum samples collected from 10 sows immediately before, and at daily intervals after mating with a vasectomized boar significantly elevated the rosette inhibition titre (RIT) of a standard antilymphocyte serum in 6 animals on the first but not on the 2nd and 3rd day after copulation.
(6) Duration of copulation in mixed combinations of D. athabasca is determined by the male.
(7) In Rhodotorula, peroxisomes are characterized by the same "bean" configuration and paired arrangement imitating "copulation" as mitocondria.
(8) On average, copulation lasted 27.2 s and was completed in flight.
(9) The surface membrane enzyme activity disappears from the zygote shortly after copulation and at the same time lysosome-like bodies start to appear in the cytoplasm.
(10) There was no seasonal fluctuation in copulative activity.
(11) Since courtship song increases a females' receptivity to copulation, the frequency of mating within a short observation period was used as a measure of the ability of mutant females to distinguish between singing males and males that were unable to sing.
(12) Copulations with other adults males also occurred during all cycle phases, but were most frequent peri-ovulatory.
(13) Copulation occurred more often on the occasion of the first attempt by the male.
(14) In the second experiment, intact females copulated twice with a male: once when they were able to hear and once when they were temporarily deafened with a medical ear mold.
(15) The gene products are secreted into the male duct and transferred to the female copulant during copulation.
(16) Pregnant C3H mice were exposed to teratogenic doses of cyclophosphamide (CPA), on the 11th day after copulation.
(17) Thiazide-type diuretics also produce erectile dysfunction in rats and interfere with normal copulation.
(18) Morphine administered rats showed a loss of weight, hypertrophy of the adrenals, decreased weight of accessory sex organs, low sperm count, and decreased copulation rate.
(19) La Crosse virus was detected in the bursa of females after induced copulation, and disseminated infection was shown to occur occasionally.
(20) Mangabeys spend 47% of activity observations feeding, 27% moving, and the remainder of the activity observations is accounted for by grooming, playing, vocalizing, copulating, etc.
Mating
Definition:
(p. pr. & vb. n.) of Mate
Example Sentences:
(1) He's Billy no-mates with a Heckler & Koch sniper-rifle, drowning in loneliness, booze and depression.
(2) Females were killed at various times after the onset of mating or artificial insemination, oviducts were fixed and sectioned serially, and spermatozoa were counted individually as to their location in the oviduct.
(3) Adult nonpregnant female rhesus monkeys fed purified diets containing 100 or 4 ppm zinc for 1 yr were mated then studied through midgestation.
(4) Abnormal synaptonemal complexes were seen in all 19 crosses of N. crassa and N. intermedia that were examined, including matings between standard laboratory strains, inversions, Spore killers, and strains collected from nature.
(5) One hundred and ninety-six herd mates without RP served as controls.
(6) Males exploit this behavioural switch by increasing their sneaky mating attempts.
(7) To this end, a meiosis-defective mating-type mutation was used as a marker for the plus segment, by taking advantage of its suppressibility by a nonsense suppressor.
(8) Using allozymes as the genetic probe, data are presented which show that wild Drosophila buzzatii females and males engaged in copulation mate at random.
(9) Nwakali, an attacking midfielder, was the player of the Under-17 World Cup in Chile last year, which Nigeria won, and at which his team-mate Chukwueze, a winger, also impressed.
(10) Gibbs was sent off in the first half at Stamford Bridge for handball, despite replays clearly showing it was his team-mate Alex Oxlade-Chamberlain who illegally deflected an Eden Hazard shot.
(11) Fumonisins are mycotoxins produced by strains belonging to several different mating populations of Gibberella fujikuroi (anamorphs, Fusarium section Liseola), a major pathogen of maize and sorghum worldwide.
(12) Transfer of the shuttle vectors from B. uniformis donors to E. coli occurred at the same frequencies when the matings were done aerobically or anaerobically.
(13) the does had been grazing on lucerne from the time of mating and received a free-choice lick, which included iodine.
(14) The present investigation examines the assortative mating coefficients for scales of the Minnesota Multiphasic Personality Inventory (MMPI) from five separate studies.
(15) After irradiation by 137Cs gamma-rays at a dose of 5 Gy the males were mated to unirradiated females and genetic analysis of fertility in the F1 progeny was carried out.
(16) Swarming is a requisite for mating in populations of Aedes communis and Ae.
(17) Recombination between markers was observed in matings between phage beta and the heteroimmune corynebacteriophages gamma and L. In such matings between heteroimmune phages the c markers of phages beta and gamma failed to segregate from the imm markers which determine the specificity of lysogenic immunity in these phages.
(18) Labs that produce new legal highs use the simple expedient of giving them to their mates to test.
(19) On the basis of segregating phenotypes, the genetic potentials of these compatible nocardiae were ascertained as follows: the formation of a diploid with subsequent segregation of parental or haploid recombinant genomes or both; persistence of the diploid through many generations; continuing reassortment of genetic information by multiple matings between parental or recombinant organisms; and, very probably, second-round recombinations within the diploid.
(20) A test mating between two Manchester Terriers affected by Perthes' disease (PD) resulted in the birth of three affected males and two unaffected females.