题目 Mitosis results in ( ) chromosome number while meiosis results in ( ) chromosome number. A.a doubling of; no change inB.no change in; on change inC.a reductionq by half in; no change inD.no change in; a reduction by half in 相关知识点: 试题来源: 解析 D 反馈 收藏 ...
Mitosis results in ( ) chromosome number while meiosis results in ( ) chromosome number.A.a doubling of; no change inB.no change in; on change inC.a reductionq by half in; no change inD.no change in; a reduction by half in的答案是什么.用刷刷题APP,拍照搜
During meiosis, a diploid cell undergoes one round of DNA replication followed by two rounds of chromosome segregation, homologous chromosomes in meiosis I and sister chromatids in meiosis II, gener- ating four haploid cells. SCC and recombinational cross-overs maintain homolog association from late...
The proportion of ferti- lized ovules that develop into seeds is determined by the process of zygote/seed development. Although the main developmental and biological processes that determine SNPP are largely clear, which mechanism(s) might be responsible for the natural variation of SNPP among the ...
Topo IIα introduces double-strand breaks into dsDNA, thus allowing other DNA fibers to pass through. Afterward, the break becomes sealed without any loss of DNA information. This action is important for several biological processes such as DNA replication, transcription, chromosome condensation, and...
alterationsinvolvingsegmentsofDNA •maybe –quantitative(copynumbervariantscomprising deletions,insertionsandduplications) –And/orpositional(translocations) –And/ororientational(inversions). •Thegainorlossofgenomicmaterialis recognisedbycomparisonofreferenceand ...