allopolyploidy

allopolyploidy

1. irregular allopolyploid

不规则异源多倍体

2.

A polyploid organism by possessing more than two sets of chromosomes from one species (autopolyploidy) or two or more species (allopolyploidy) is known to have evolutionary advantages.

与二倍体物种比较，多倍体由于具有来自同一物种（同源多倍体）或不同物种（异源多倍体）的两套或多套染色体而在进化上具有优势。

3. The evolution and expression of low-copy nuclear genes in allopolyploid plants

低拷贝核基因在异源多倍体植物中的进化与表达

4. See allopolyploidy;

参见allopolyploidy;

5. isosyndetic allopolyploid

同源联会异源多倍体

6. In plants this is sometimes overcome by the doubling of the chromosome number, giving an allopolyploid.

在植物中，这种不育现象有时可因为染色体数目加倍而抵消，产生同源多倍体。

7. Sequence Elimination and the Genomic Evolution of Allopolyploid Plants

序列消除与异源多倍体植物基因组的进化

8. Keywords Allopolyploid wheat,genomic changes,DNA methylation,DNA fingerprinting.;

异源多倍体小麦;基因组变异;DNA甲基化;DNA指纹图谱．;

9. Concerted Evolution of Nuclear rDNA in Allopolyploid Plants

异源多倍体植物核rDNA序列的同步进化

10. Allopolyploidy A type of polyploidy involving the combination of chromosomes from two or more different species.

异源多倍体：两种或两个以上的不相同的物种杂交，杂种经染色体加倍形成的多倍体类型。

11. Allopolyploid plants have a wide distribution in the nature.

摘要异源多倍体植物在自然界中广泛分布。

12. genome allopolyploid

染色体组异源多倍体

13. Compare allopolyploidy.

比较allopolyploidy。

14. However, by what means a polyploid accommodates increased genetic dosage or divergent genomes (allopolyploidy) in one cell nucleus and cytoplasm constitutes an enormous challenge.

然而，多倍体如何应对在同一细胞内突然的基因剂量加倍以及异源多倍体中分歧基因组之间的差异冲突无疑是一个巨大的挑战。

15. segmental allopolyploid

节段异源多倍体, 部分异源多倍体

16. Many plant species have been derived originally from allopolyploidy, e.g. cultivated wheat.

许多植物物种起源于异源多倍现象，例如培养的小麦。

17. Recent studies demonstrated that allopolyploid formation in the early stages is oftenaccompanied by genomic changes that cannot be readily explained by Mendelian geneticprinciples.

近年来人们发现异源多倍体形成早期常常伴有不符合孟德尔遗传规律的基因组变异。

18. Whether this involves allopolyploidy or autopolyploidy will not be considered.

这是否包括异源多倍性还是同源多倍性将都不考虑。

19. The properties of the hybrid, such as greater vigor and adaptability, are retained in the allopolyploid in subsequent generations and such organisms are often highly successful.

这种具有高度生活力和适应性的杂交在异源多倍体中被保留，而且可以成功的遗传下去。

20. segment allopolyploid

部分异源多倍体