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Diploid in Biological Definition

Allele frequency

... somatic cells (e.g. two loci in the cells of diploid species, which contain two sets of chromosomes) ... which there may be one or many. Note that for diploid genes, however, the proportion of individuals ... copies of the allele). So all together 36% of diploid individuals would be expected to carry an allele ...

Cell growth

... used for a special cell reproduction process of diploid organisms. It produces four special daughter ... DNA, often symbolized as N . Meiosis is used by diploid organisms to produce haploid gametes. In a diploid organism such as the human organism, most cells ...

Chromosome

... have somatic cells (body cells), which are diploid [2n] (they have two sets of chromosomes, one ... Gametes are produced by meiosis of a diploid germ line cell. During meiosis, the matching ... a female gamete merge ( fertilization ), a new diploid organism is formed. Figure 3 : ...

Ploidy

... within an organism. In humans, most cells are diploid (containing one set of chromosomes from each ... 1 Haploid 2 diploid 3 Haplodiploidy 4 Haploidisation 5 ... and other algae switch between a haploid and a diploid or polyploid state, with one of the stages ...

Gamete

... two complete sets of chromosomes and therefore diploid . The zygote cell receives one set of ... of producing gametes. Gametes from a mature diploid individual will be produced in the gonadal tissue ... to one (i.e., produces haploid gametes). The diploid somatic cells of an individual will contain one ...

Ploidy

... within an organism. In humans, most cells are diploid (containing one set of chromosomes from each ... 1 Haploid 2 diploid 3 Haplodiploidy 4 Haploidisation 5 ... and other algae switch between a haploid and a diploid or polyploid state, with one of the stages ...

Meiosis

... . It is a form of nuclear division by which a diploid parent produces four haploid daughter cells. ... fusion of the gametes would not result in a diploid condition (2n) but 4n. Meiosis also provides ... variation. The reduction of chromosomes from the diploid to the haploid condition separates alleles so ...

Trait

... of traits 3 Genetic origin of traits in diploid organisms 4 Mendelian expression of genes in diploid organisms 5 Biochemistry of dominance and ... energy state . Genetic origin of traits in diploid organisms The heritable unit that may produce ...

Cell division

... mitosis , followed by division of the cell, called cytokinesis . A diploid cell may also undergo meiosis to produce haploid cells, usually four. ... cells serve as gametes in multicellular organisms, fusing to form new diploid cells. Multicellular organisms replace worn-out cells through cell ...

Hardy-Weinberg principle

... genetic drift ) sexually reproducing randomly mating diploid and experience: no selection no mutation no migration ... than two copies of each chromosome. Consider again only two alleles. The diploid case is the binomial expansion of: ( p + q ) 2 and ...

Allele

... be several different versions of the gene. One version might result in red petals, while another might result in white petals. Some organisms are diploid - that is, they have paired homologous chromosomes in their somatic cells , and thus contain two copies of each gene. An organism in which both ...

Eukaryote

... of sexual reproduction, typically involving an alternation between haploid generations, where only one copy of each chromosome is present, and diploid generations, where two are present, occurring through nuclear fusion (syngamy) and meiosis . There is considerable variation in this pattern, ...

Fungus

... move from one mycelium into the other, forming a heterokaryon (meaning different nuclei). This is called plasmogamy . Actual fusion to form diploid nuclei is called karyogamy , and may not occur until sporangia are formed. In the Zygomycota , the heterokaryon produces multiple fruiting ...

Gene

... on the Y chromosome . Many species carry more than one copy of their genome within each of their somatic cells . These organisms are called diploid if they have two copies, or polyploid if they have more than two copies. In such organisms, the copies are practically never identical. With ...

Heterozygote

... Heterozygote cells are diploid or polyploid and have different alleles at a locus (position) on homologous chromosomes . When an organism is referred to as a ...

Homozygote

... Homozygote cells are diploid or polyploid and have the same alleles at a locus (position) on homologous chromosomes . When an organism is referred to as being ...

Locus

... locus is the position of a gene (or other significant sequence) on a chromosome . A locus can be occupied by any of the alleles of the gene. diploid or polyploid cells are either homozygous (have the same allele at a locus) or heterozygous (have different alleles at a locus). In ...

Plant

... remain small throughout their life-cycle. This involves an alternation between two generations: a haploid stage, called the gametophyte , and a diploid stage, called the sporophyte . The sporophyte is short-lived and remains dependent on its parent. Vascular plants first appeared during the ...

Plant

... remain small throughout their life-cycle. This involves an alternation between two generations: a haploid stage, called the gametophyte , and a diploid stage, called the sporophyte . The sporophyte is short-lived and remains dependent on its parent. Vascular plants first appeared during the ...

Zygote

... . That is, two haploid cells—usually (but not always) a sperm cell from a male and an ovum from a female —merge into a single diploid cell called the zygote . Animal zygotes undergo mitotic cell divisions to become an embryo . Other organisms may undergo meiotic cell ...
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