Mating

Tortoises mating
A pair of lions copulating in the Maasai Mara, Kenya.
Sevenspotted Lady Beetles mating ...
Full article >>>

Mating can take place only between individuals of opposite mating types due to the interaction of cell surface components.
Full article >>>

random mating
selection of a mate without regard to genotype
Source: Jenkins, John B. 1990. Human Genetics, 2nd Edition. New York: Harper & Row ...
Full article >>>

Estimating Cancer Risks
Is there a safe dose of any mutagen or carcinogen?
We live surrounded by radiation and by chemicals that ...
Full article >>>

cerevisiae haploid cells can be of one of two mating types, Roman a or Greek a. Roman haploids secrete a pheromone that in Greek haploids stimulates processes that lead to mating.
Full article >>>

Mating type
In many species of microorganisms individuals can be divided into two types. Mating can take place only between individuals of opposite mating types due to the interaction of cell surface components.
Full article >>>

Mating
See Conjugation.
Meiosis
The process of nuclear division associated with the formation of gametes or of haploid cells from a diploid.
Full article >>>

mating system The species-typical pattern of mate finding, reproduction, and parenting of offspring.
matric potential The water potential component caused by the attraction of water molecules to a hydrophilic matrix.
Full article >>>

Premating isolating mechanisms are anatomical or behavioral differences between two species that prevent the possibility of mating.
Full article >>>

:
Matings
between two individuals who share a common ancestor in the preceding two or three generations.
Consensus sequence ...
Full article >>>

The mating of individuals that are closely related genetically.
inclusive fitness ...
Full article >>>

Automating the Process
If primer walking with hexamer strings proves to be reliable and efficient, the entire sequencing process could be automated.
Full article >>>

Postmating isolating mechanisms prevent hybrid offspring from developing or breeding when mating does occur. There are also several examples of postmating mechanisms.
Full article >>>

Assortative mating. The mating of a given genotype mates with another genotype at a frequency disproportionate to that expected from random
encounter ...
Full article >>>

Sampling: Estimating the density of organisms (pests or natural enemies) or damage by examining a defined portion of the crop.
Scouting, Scout: see Sampling.
Septicemia: Blood poisoning caused by pathogenic organisms.
Full article >>>

Hardy-Weinberg Law -- the concept that both gene frequencies and genotype frequencies will remain constant from generation to generation in an infinitely large, interbreeding population in which mating is at random and there is no selection, ...
Full article >>>

A certain amount can be inferred from other experimental methods: for example, do the members of population A respond appropriately to playback of the recorded mating calls of population B? Sometimes, experiments can provide firm answers.
Full article >>>

This is especially important in small mating populations, which simply cannot have enough offspring to maintain the same gene distribution as the parental generation.
Full article >>>

Evolution of Tngara Frog Mating Calls
Launch Case Study
Evolutionary biologists have developed many techniques to analyze how male and female mating preferences have co-evolved.
Full article >>>

Horizontal lines connecting a male and female represent mating. Vertical lines extending downward from a couple represent their children.
Full article >>>

pineal gland: a human endocrine gland in the midbrain that regulates mating behaviors and day-night cycles.
pinocytosis: when the vesicle formed from endocytosis contains droplets of fluid.
Full article >>>

heterogamy - state of having gametes of different sizes produced by different mating types or sexes.
Full article >>>

pheromone. A substance secreted by an organism to affect the behavior or development of other members of the same species; sex pheromones that attract the opposite sex for mating are used in monitoring certain insects.
Full article >>>


'"/>