haploid


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Related to haploid: Haploid number
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Synonyms for haploid

(genetics) an organism or cell having only one complete set of chromosomes

of a cell or organism having a single set of chromosomes

References in periodicals archive ?
The Iranian-born doctor and his team developed XY (male) stem cells into haploid gametes--sex cells with half the normal number of chromosomes.
He said: "Although they find that some of the sperm cells have tails and can swim, this is not evidence of normality." Only a small proportion of the cells were "haploid" - having the necessary reduced genetic material following meiosis.
All the functions of each diploid somatic cell, therefore, are genetically encoded twice, once per haploid set of chromosomes.
Results of chromosome counting showed that 73.6% of regenerated plants were haploid (n=8) and the rest were diploid (2n=16) (Table 4).
These cells are haploid. Previously, a method called 'MiMe' was developed that substitutes mitosis for meiosis, which creates reproductive cells that are diploid.
But using doubled haploid technology, breeders can now produce inbred lines within just two generations, which can easily be done in just a year on an irrigated field.
To produce their healthy bimaternal mice, the researchers used haploid embryonic stem cells (ESCs), which contain half the normal number of chromosomes and DNA from only one parent and which the researchers believe were the key to their success.
The grim news did not end there: Zac's young life had been stalled by the rarest of strains, Near Haploid.
Introgression of B-genome chromosomes in a doubled haploid population of Brassica napus, B.
Doubled haploid breeding, another biotech tool, is a technique that can reduce the breeding cycle by up to six years, compared to conventional breeding," Cabusora said.
We performed paired-end sequencing on the plasma DNA samples from the wildtype and knockout mice to a mean of 49X and 27X coverage, respectively, of the haploid genome (KAPA HTP Library Preparation Kit, Illumina HiSeq 2500).
impaternata (Figure 1) is an allodiploid species with unmatched haploid sets of chromosomes (n=5 or 14, 2n=19), identifying it as a female-only species of hybrid origin [1, 2].
Triploidy is a chromosomal abnormality caused by an additional haploid set of chromosomes.
Diploidy ([lambda] = 2) (Figure 2) is the common "copy" of haploid ([n.sub.(i, ..., j)]) chromosomal complements found in most species, thus defining the diploid genotype or genome (2n or "2 x n") of a species where the total number of chromosomes is "y" so that (Equation 1): y = [SIGMA][n.sub.(i,...j)]([lambda] = 2) = 2 [n.sub.(i, ..., j)]
In other words, a diploid spermatozoon that regularly fertilizes an oocyte should result in a single diploid male PN accompanying the haploid female PN.