This gamete sample can be used to generate an animal carrying that same mutation. The mutant animal is useful for investigating the function of the gene, and might also be a useful animal model for studying human disease. In effect, therefore, the mutations in a population of mutagenised ...
【解析】根据“isstillunknown”(仍然不知道)可知,前面是一个主语从句,句中“drovetheelephantstomaketheirlongtrip”(驱使大象长途跋涉),drove是谓语动词,前面缺主语,what在主语从句中充当主语,故答案为what。 反馈 收藏
Genetic variation, which is generated by mutation, recombination and gene flow, can reduce the mean fitness of a population, both now and in the future. This ‘genetic load’ has been estimated in a wide range of animal taxa using various approaches. Advances in genome sequencing and computatio...
While a mutation is defined as any alteration in the DNA sequence, biologists use the term "single nucleotidepolymorphism" (SNP) to refer to a single base pair alteration that is common in thepopulation. Specifically, a polymorphismis any genetic location at which at least two different sequence...
Since it was a new genetic mutation suspected to be connected with Au-Kline, doctors experimented on animals to confirm their theory. Due to the couple's genetic background, doctors used the PGT technology to help them deliver a boy...
Diane had had the mutation; her sister does not. And the nature of the mutation in the Liebman family explains why it is so devastating – it is tiny, but with a huge impact. Genes come in pieces. Exons are regions that are transcribed and translated into the corresponding amino acid seq...
Later genetic testing showed that a key mutation in the gene controlling myostatin had effectively shut off the myostatin protein. The Myostatin protein is used by the body to inhibit muscle growth and development, so with out it, the muscles grow much larger than normal. ...
They found that the mutation in a gene called Bace2 that encodes a precursor protein's cleaving enzyme is the most likely genetic basis for brown-and-white coat color, according to a study published on Monday in the U.S. Proceedings of the National Academy of Sciences. ...
(Schalow et al., 2012) and UvrABC system proteins are crucial for this process. The transcription-coupled repair factors, such asMutation frequencydecline (Mfd) in bacteria, Rad26 in yeast, and CSA/CSB in human (van Gool et al., 1997), also play indispensable synergistic effects, while ...
2020. The barley pan-genome reveals the hidden legacy of mutation breeding. Nature. https://doi.org/10.1038/s41586-020-2947-8. Article Google Scholar Kelly, S. 2019. Editorial overview: Harvesting the fruits of plant genomics. Current Opinion in Plant Biology 48: A1–A2. https://doi....