sexual reproduction

One theory is that switching from sexual reproduction to virgin birth might have helped these ancient creatures survive so long.

Vegetative parts All parts of a plant except for those involved in sexual reproduction.

Sexual reproduction The formation of new individuals by fusion of two nuclei or sex cells ( GAMETES ) to form a diploid ZYGOTE.

stage of adolescence in which an individual becomes physiologically capable of sexual reproduction.

Pollen is a highly reduced organism that plays a great role in plant sexual reproduction as the male gametophyte .

The lack of a safe germinant environment is the primary cause for the failure of P. euphratica sexual reproduction.

The genomic data have implications for the understanding of the evolution and the mechanism of sexual reproduction in this genus.

The capacity for sexual reproduction begins earlier in females than in males, often two years earlier.

Mowing turfgrass quite literally cuts off the option of sexual reproduction.

You always want the variation that's present in a natural population going on through sexual reproduction.

Then, when a suitable mate is available, revert back to sexual reproduction.

Finally, the ever-increasing density of matter helped usher in an era of sexual reproduction, and two distinct sexes emerged from one being.

Assortative mating Sexual reproduction in which the pairing of male and female is not random.

It's suggested that sexual reproduction may be the dominant reproduction way for wild D. zingiberensis with simple and clear sex system.

The ability of sexual reproduction of rhizomatous grasses are relatively weak, but constraining factors are vary.

Second, normal fungal sexual reproduction usually produces spores, which the immune system can easily identify and dispose of.

To Charles Darwin, the reason for the prevalence of sexual reproduction was "hidden in darkness" .

First are those individuals or couples who lack the gametes (eggs or sperm) needed for sexual reproduction.

The annual orgy of sexual reproduction in the Californian almond orchards owes little to the unintended bounty of nature.

Sexual reproduction can bring about genetic commingling .

And the reason that sexual reproduction is so important -- there are lots of other things that plants can do to reproduce.

And it suggests that parasites, including bacteria and viruses, are one reason species developed sexual reproduction in the first place.

the sexual reproduction promote the genetic diversity.

Such cases of apomixis are difficult to distinguish from true sexual reproduction.

Sexual reproduction in ascomycete's fungus has been studied for more than 80 years.

union of sperm and egg in sexual reproduction.

as the latitudes increase, the proportion of asexual reproduction tends to increase and that of sexual reproduction decrease;

The ascospores , on the other hand, are produced by following sexual reproduction .

One major event in time is the development of sexual reproduction.

Characteristics of Vegetative Growth of Veronica persica and Their Contribution to Its Sexual Reproduction

In vitro Fertilization as a Technique Platform Used in the Research of Sexual Reproduction of Angiosperms

Relationship between sexual reproduction, population growth and resting egg production of freshwater rotifer Brachionus calyciflorus

The effects of vegetative growth on the sexual reproduction of Veronica persica from two different habitats with different densities

Changes and Biological Significance of Callose Wall in Sexual Reproduction and Apomixis of Angiosperms

The bagged - cultivation techniques of sexual reproduction for Gastrodia

Significance of sexual reproduction in Phytophthora infestans epidemiology

Morphological Observation of Sexual Reproduction Abortion in 'High Noon'Tree Peony

Study on Sexual Reproduction of Plant Population of Stipa grandis Steppe under Different Grazing Sy

The Roles of Arabinogalactan-proteins in Sexual Reproduction of Angiosperms

Effects of phthalate acid esters on population growth and sexual reproduction of rotifers Brachionus calyciflorus

Programmed Cell Death During Sexual Reproduction in Angiosperms

Conducting Sexual Reproduction Tests with Seaweeds

The derivation and analysis on intact probability of sexual reproduction in mules

Signal transduction during sexual reproduction in algae

Sexual reproduction techniques of main landscape plants in Sichuan

Calcium, Calmodulin in plant sexual reproduction

A Genetic Algorithm with Sexual reproduction in Image Recovering

Programmed Cell Death in Sexual Reproduction of Gymnosperm

Programmed Cell Death During Sexual Reproduction in Plants

Property of sexual reproduction of Kingdonia uniflora population in Mountain Taibai

A Genetic Algorithms With Sexual Reproduction

Study on the Characteristic of Sexual Reproduction of Portulaca oleracea

Studies on Sexual Reproduction of Rotifer

Light Effect and Photo-Receptor in the Sexual Reproduction Process of Stephanopyxis palmeriana