Definition Of Reproductive Fitness Biology

July 19 2013 uncategorized evolution.

Definition of reproductive fitness biology. Wilcox in encyclopedia of genetics 2001. Reproductive success and fitness are not the same thing. The ovaries link the reproductive system to the body s system of. Of relating to or capable of reproduction.

The breasts are a secondary sex character enclosing the mammary glands see also plates. Reproductive success rs is defined in many ways in different places by different people but one of the most common definitions is simply the number of offspring an individual produces. In biology though fitness is more encompassing. If the heterozygotes for a disease mutation have a low reproductive fitness the mutant allele will only be maintained in the population by the.

Definition noun a measure of biological fitness wherein the reproductive rate of a genotype or a phenotype is relative to the maximum reproductive rate of other genotypes or phenotypes in a given population supplement in biology darwinian fitness or simply fitness of a biological trait describes how successful an organism has been at passing on its genes. Fitness in biological context is also called darwinian fitness as it relates to charles darwin s evolutionary theory on natural selection. It is concerned more on the reproductive capability of an organism and its genetic contribution to the gene pool. In the simplest model a heritable.

In either case it describes individual reproductive success and is equal to the average contribution to the gene pool of the next generation that. Learn more about the process of reproduction in this article. It means making a copy a likeness and thereby providing for the continued existence of species. Reproduction is one of the most important concepts in biology.

This definition is further modified in most cases to mean only those individuals that will be fertile i e capable of producing further offspring. Reproductive organs female the ovaries fallopian tubes uterus vagina and vulva external genitalia of a female. Biology of relating to characteristic of or taking part in reproduction. If the heterozygotes for a disease mutation have a low reproductive fitness the mutant allele will only be maintained in the population by the.

Fitness often denoted or ω in population genetics models is the quantitative representation of natural and sexual selection within evolutionary biology it can be defined either with respect to a genotype or to a phenotype in a given environment. Reproduction process by which organisms replicate themselves. Thus genetic selection can act on heterozygotes for a dominant mutation. The reproductive fitness of a heterozygote is only affected if the phenotype is altered.

Reproductive fitness of heterozygotes. Reproductive fitness synonyms reproductive fitness pronunciation reproductive fitness translation english dictionary definition of reproductive fitness. Thus genetic selection can act on heterozygotes for a dominant mutation. Rs is important in understanding natural selection ns.