haploid造句
31, At the same time, the information of flax biotechnology of anther culture, haploid breeding, utilization of somatic mutation, protoplasmic culture, gene transformation were introduced in detail.
32, Cycling meiosis and fertilization events produces a series of transitions between alternating haploid and diploid states.
33, Euploidy The normal state in which an organism's chromosome number is an exact multiple of the haploid number characteristic of the species.
34, Spermatocytes produced by mitosis in spermatogonia divide meiotically to generate haploid spermatids.
35, Isolated Microspore culture is one of the Methods : To obtain haploid.
36, Meiosis comprises a pair of specialized nuclear divisions that produce haploid germ cells.
37, Spore mother cell A cell that gives rise to four haploid spores by meiosis.
38, Such a dikaryon cannot apparently exist independently of the haploid phase.
39, The haploid complement consisted of 11 metacentric chromosomes and 1 submetacentric chromosome.
40, Reduction division --- The first meiotic division, so called because at this stage the chromosome number per cell is reduced from diploid to haploid.
41, The haploid plant produces gametes mitotically and is thus termed the gametophytes while the diploid plant produces spores meiotically and is called the sporophyte .
42, Haploid embryos which only with chromosome of female parent were obtained due to the chromosome elimination of pollen parent quickly and completely during the heterozygote development.
43, For example, in the unicellular chlamydomonas the vegetative cell is haploid, and the only diploid cells are the zygospores, which germinate to produce haploid zoospores.
44, Haplobiontic Describing life cycles in which only one type of somatic body is formed, which may be either haploid or diploid, i. e. either the sporophyte or the gametophyte generation is missing.
45, The fungus is unicellular and exists in both haploid and diploid phases.
46, Haploid breeding is a method of doubling the spontaneous or artifical haploid with colchicum, and selecting the super doubled lines.
47, Synapsis (pairing) The association of homologous chromosomes during the prophase stage of meiosis that leads to the production of a haploid number of bivalents.
48, Diplobiontic Describing life cycles showing a typical alternation of generations with haploid and diploid somatic bodies.
49, On the basis of the experiment, the first new variety of Avena Nuda Huazhong 21 in the world is bred by using anther haploid breeding technique.
50, Research advances of haploid breeding of cucumber(Cucumis sativus L. ) were reviewed in the paper, including anther culture, ovary culture and induction of haploid obtained by irradiated pollen.
51, A gamete containing a diploid number of chromosomes, rather than the usual haploid number.
52, The capsule and operculum are in turn sheathed by a haploid calyptra which is the remains of the archegonial venter.
53, Haploid - Having only one set of chromosomes, usually by meiosis, or resulting from an unfertilized eggs.
54, Haplodiploid - A reproductive system in which females are diploid and males result from unfertilized, haploid eggs.
55, Anther culture has enhanced the capacity to generate large numbers of haploid plants.
56, Autotetraploid An autopolyploid that has four times the haploid number of chromosomes.
57, We review the advances in haploid breeding of cucurbit crops in the article. We covered the aspects of anther culture, ovary culture and haploid induction via irradiated pollen in the review.
58, Haploid plantlet and callus were induced from the anther culture of Dioscorea zingiberensis as the explant at the stag of later uninucleate period.
59, A haploid organism that represents the vegetative stage in life cycles in which diploidy is restricted to the zygote.
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