Examples of chromosome elimination (A) and an allotetraploid (B, C) in the F1 hybrids.Xiaoting, HuangKe, BiLiping, HuYan, SunWei, LuZhenmin, Bao
Telocentric chromosomes:Herein, the centromere is present at the terminal end of the arm of the chromosome; as a result, there is a shorter arm, and the other is a long arm. Acrocentric chromosome:Herein, the centromere is placed near to chromosomal arm end, making the p arm very short ...
An XXX/XX/XO sex chromosome constitution in gonadal dysgenesis and other examples of sex chromosome mosaicism in man 来自 ResearchGate 喜欢 0 阅读量: 52727 作者:MM Grumbach,A Morishima 被引量: 6 年份: 1961 收藏 引用 批量引用 报错 分享 ...
: the end of a ship's yard also : the part of an anchor from the crown to the fluke see anchor illustration f : any of the usually two parts of a chromosome lateral to the centromere 3 : an inlet of water (as from the sea) 4...
A type of chromosome in the genome that is involved in the determination of the sex as well as the development of sexual characteristics in an organism Supplement A somatic cell contains a genome comprised of paired chromosomes: the autosomes and sex chromosomes. A sex chromosome is a type of...
During the process the gamete chromosomes are first duplicated, then the cells divide twice, producing cells that have one set of chromosomes, called haploid. When two individual haploid gametes fuse to produce offspring, a diploid cell called a zygote, the original chromosome number is restored. ...
The meaning of NUCLEOLUS is a spherical body of the nucleus of most eukaryotes that becomes enlarged during protein synthesis, is associated with a nucleolus organizer, and contains the DNA templates for ribosomal RNA.
Chromosomes are units of tightly packed DNA that are stored in the nucleus, each chromosome will be made up of two sister chromatids. DNA is the self-replicating material found in chromosomes that carries the genetic information of an organism. Chromosomes will be randomly separated into daughter...
The correct option is A Male heterogametic condition In XO type and XY type sex determining mechanisms, males produce two different types of gametes, (a) either with or without X-chromosome (XO type), (b) some gametes with X-chromosome and some with Y-chromosome (XY type). Such type ...
Societally, the concepts of sex and gender are commonly confused.Sexis the term used to indicate what label a person was assigned at birth by a medical professional based on their chromosomal makeup and their genitals. In general, the options for sex are male (an X and Y chromosome and ...