Quick Answer: What Is An Example Of Random Mating?

What is an example of non random mating?

If individuals nonrandomly mate with other individuals in the population, i.e.

they choose their mate, choices can drive evolution within a population.

One reason is simple mate choice or sexual selection; for example, female peahens may prefer peacocks with bigger, brighter tails.

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Is random mating likely to result in genetic drift?

Random mating prevents allele frequencies to change, while genetic drift and natural selection do the opposite.

What is meant by randomly mating population?

Random mating is a term in population genetics. It describes an ideal situation in which all individuals on one sex are equally potential partners of all members of the opposite sex. The technical term for it is panmixia. Random mating is one of the requirements for the Hardy–Weinberg law to hold.

What does assortative mating mean?

Assortative mating is the tendency for people to choose mates who are more similar (positive) or dissimilar (negative) to themselves in phenotype characteristics than would be expected by chance.

Is natural selection random?

The genetic variation on which natural selection acts may occur randomly, but natural selection itself is not random at all. … The survival and reproductive success of an individual is directly related to the ways its inherited traits function in the context of its local environment.

Which is an example of assortative mating?

Assortative mating, in human genetics, a form of nonrandom mating in which pair bonds are established on the basis of phenotype (observable characteristics). … For example, a person may choose a mate according to religious, cultural, or ethnic preferences, professional interests, or physical traits.

Why is random mating important to Hardy Weinberg?

Random mating. The HWP states the population will have the given genotypic frequencies (called Hardy–Weinberg proportions) after a single generation of random mating within the population. … A common cause of non-random mating is inbreeding, which causes an increase in homozygosity for all genes.

Why is human mating usually not random?

In all human populations, people usually select mates non-randomly for traits that are easily observable. Cultural values and social rules primarily guide mate selection. Most commonly, mating is with similar people in respect to traits such as skin color, stature, and personality.

What are two examples of non random mating?

Non-random mating means that mate selection is influenced by phenotypic differences based on underlying genotypic differences. In some species, males acquire harems and monopolize females. (Elk, elephant seals, horses, lions, etc.) Commonly, the males of such species are much larger than the females.

How does random mating contribute to variation?

Mendelian segregation has the property that random mating results in an equilibrium distribution of genotypes after only one generation, so genetic variation is maintained. is called the Hardy-Weinberg equilibrium after those who independently discovered it.

What does assortative mean?

being nonrandom mating: being nonrandom mating based on like or unlike characteristics.