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Gamete in Biological Definition

Gamete

... " females " of the species produce the larger gamete called an ovum (or egg) and " males " produce the smaller gamete termed (in animals) a spermatozoon (or ... involved in the union. After fusion of the two gamete nuclei , and after multiple cell divisions and ...

Genetic recombination

... offspring. Even without recombination, each gamete contains a random assortment of chromatids, ... available. With recombination, however, the gamete can receive a (mostly) random assortment of ... recombination, but severe problems can arise if a gamete containing unbalanced recombinants becomes part ...

Meiosis

... coiled. Homologous chromosomes derived from maternal and paternal gamete nuclei come together and pair up. They have same lengths, same centromere ... from the diploid to the haploid condition separates alleles so that each gamete carries a sole allele for a gene locus. In addition, the orientation of ...

Anaphase

... B as the main means of chromosome separation and can extend the spindle to up to 15 times its metaphase length in the process. See also gamete cytokinesis prophase prometaphase metaphase telephase chromosome prokaryote eukaryote ...

Cell growth

... diploid organisms. It produces four special daughter cells ( gametes ) which have half the normal cellular amount of DNA. A male and a female gamete can then combine to produce a zygote , a cell which again has the normal amount of chromosomes. For details see the individual articles on DNA ...

Chromosome

... small parts of themselves ( crossover ), and thus create new chromosomes that are not inherited solely from either parent. When a male and a female gamete merge ( fertilization ), a new diploid organism is formed. Figure 3 : Karyogram of human female Karyotype To determine the ...

Infertility

... transfer (ZIFT) in which eggs are removed from the woman, fertilized and then placed in the woman's fallopian tubes rather than the uterus. gamete intrafallopian transfer (GIFT) in which eggs are removed from the woman, and placed in one of the fallopian tubes, along with the man's sperm. This ...

Mendelian inheritance

... 3). If the two alleles differ, then one, the dominant allele, is fully expressed in the organism's appearance; the other, the segregate during gamete production. This is the last part of Mendel's generalization. The two alleles of the organism are separated into different gametes, ensuring ...

Mitosis

... meiosis , which is similar to mitosis in many ways, in which the daughter nuclei receive half the chromosomes of the parent, which is involved in gamete formation and other similar processes. Contents showTocToggle("show","hide") 1 Overview 2 Phases 2.1 Prophase 2.2 ...

Sperm

... A sperm cell , or spermatozoon ( pl. spermatozoa ) (in Greek : sperm = semen and zoon = alive), is the haploid cell that is the male gamete . It is carried in fluid called semen , and is capable of fertilising an egg cell to form a zygote . A zygote can grow into a new organism, ...

Mitosis

... meiosis , which is similar to mitosis in many ways, in which the daughter nuclei receive half the chromosomes of the parent, which is involved in gamete formation and other similar processes. Contents showTocToggle("show","hide") 1 Overview 2 Phases 2.1 Prophase 2.2 ...
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