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1 zygotes were cultured in mSOFaa medium supplemented with OCS(oestrus cow serum) or FBS had higher blastocyte yield(26.4%, 29.9%) than that in culture medium with free serum(10.3%).
2 in vitro zygotic embryogenesis system was build up, in which single tobacco zygotes could develop into fertile plants via embryogenesis or organogenesis under optimal condition.
3 Lower concentration of the microinjected DNA, choosing CZB and zygotes with good quality can enhance efficiency of microinjection.
4 Angiosperms begin as free zygotes immersed in a fluid.
5 Zygotes in the prophase of mitosis and two-celled proembryo became active again in metabolism, for a prominent nucleolus, high density of ribosomes and increased number of polysomes in the cytoplasm.
6 zygotes formed in conjugation are partial diploids or merozygotes.
7 The spores and gametes could grow to new thalli independently, and the same to motile zygotes.
8 Gametes showed intensive positive phototaxis, after syngamy, motile zygotes showed negative phototaxis.
9 implantation and survival conditions of injected zygotes were observed.
10 Distinct layers are often visible in thick-walled resting cells such as chlamydospores or zygotes of phycomycetes.
11 Conclusion Zygotes and embryo quality can be predicted by morphology of the first polar body.
12 Serum of certain concentration added in SOF medium and change the addition mode can promote the development of bovine IVF zygotes when cultured in vitro.
13 Objective: To study the preservation and development of mouse zygotes after being frozen and thawed.
14 The former includes the occurrence of receptacles, the liberation of sperms and eggs, and the relation between the development of zygotes and environmental factors.
15 Analyzing the cleavage rate of zygotes after they were washed in 0.02% insulinase lactalbumin hydrolysate solution for different lengths of time.
16 An organism consisting of two or more tissues of different genetic composition, produced as a result of mutation, grafting, or the mixture of cell populations from different zygotes.
17 Fertilized zygotes are tested for genetic compatibility, and only zygotes that are compatible with the existing child are implanted.
18 the gametes are produced in multicellular sex organs, and the zygotes include a blastula stage in their embryonic development.
19 This is often the product of autogamy, in which case the cysts produced are zygotes.
20 Zygotes require genetic information from their parental germ cells, and at every speciation event, heritable traits that have enabled its ancestor to survive and reproduce successfully are passed down along with new traits that could be potentially beneficial to the offspring.
21 In terms of section 39A of the Human Tissue Act 65 of 1983, genetic manipulation of gametes or zygotes outside the human body is absolutely prohibited.
22 Experiments with mice, rats, and dogs have shown that a degree of 25% deuteration causes (sometimes irreversible) sterility, because neither gametes nor zygotes can develop.
23 Such offspring have a higher possibility of congenital birth defects (see Coefficient of relationship) because it increases the proportion of zygotes that are homozygous for deleterious recessive alleles that produce such disorders (see Inbreeding depression).
24 Contrary to common belief, inbreeding does not in itself alter allele frequencies, but rather increases the relative proportion of homozygotes to heterozygotes.
25 These fuse to form zygotes, which develop into new individuals.
26 Nucleus transplantation experiments in mouse zygotes in the early 1980s confirmed that normal development requires the contribution of both the maternal and paternal genomes.
27 Because zygotes end up with a mix instead of a pre-defined "set" from either parent, chromosomes are therefore considered assorted independently.
28 Vaccine candidates that target antigens on gametes, zygotes, or ookinetes in the mosquito midgut aim to block the transmission of malaria.
29 Luc Bovens has suggested that unprotected intercourse in the infertile periods of the menstrual cycle may still result in conceptions, but create zygotes incapable of implanting.
30 These amoebae can mate if they encounter the correct mating type and form zygotes that then grow into plasmodia.