to replication or cytokinesisany two from:provides energy ;movement of centrioles to poles ;spindle formation / organisation of microtubules (for spindle);movement of chromosomes to the, spindle equator / AW ;separation of,(daughter) chromosomes/(sister) chromatids, to opposite poles (of the ...
A diagram of chromosomal morphology, particularly depicting the banding patterns of specific chromosomes.Scitable
40 The diagram shows a pair of chromosomes from the same cell. D What do the lines labelled P point to? A the site of alleles made up of two or more genes which are always the same B the site of alleles made up of two or more genes which might be different C the site of genes...
10 The diagram shows three of the 23 pairs of chromosomes found in a human cell.n X1521Which diagram shows an example of non-disjunction in the formation of an egg, that could lead to the formation of a Down's syndrome zygote? D AB一C D 相关知识点: 试题来源: 解析 D 反馈 收...
31. The diagram shows a cell nucleus in prophase of mitosis.8 Which statement describes the chromosomes found in each daughter nucleus immediately following cell division of this cell by mitosis? B A 8 chromosomes, each consisting of 2 molecules of DNA B 8 chromosomes, each consisting of 1 mo...
结果1 题目 32 The diagram shows the fusion of gametes to produce a son and a daughter.father mother parents gametes Qoffspring Rson daughter What are the sex chromosomes in gamete Q and son R? B QR AX XX BX XY CY XX DY XY 相关知识点: 试题来源: 解析 B 反馈 收藏 ...
of the main trust representsarchaea-- micro-organisms that are similar to bacteria but evolutionarily distinct in form. The third division of the main trunk representseukaryotes-- organisms that have membrane bound organelles within their cells, one of which is the nucleus that encases chromosomes ...
The life of a human being begins as a single celled zygote. The information presents in the chromosomes in this cell is what determines the characteristics of this human being. Each cell in the body of a male contains one X chro mosome and one Y chromosome (XY). ...
The structure of a nucleus encompasses the nuclear membrane, nucleoplasm, chromosomes, and nucleolus. Nuclear Membrane The nuclear membrane is a double-layered structure that encloses the contents of the nucleus. The outer layer of the membrane is connected to the endoplasmic reticulum. ...
Haploid cells contain one set of chromosomes (n), diploid cells have two sets of chromosomes (2n). Fern Sexual Reproduction The leaf of a fern is called a frond, the frond consists of the blade and the petiole (leaf stem). The blade can be divided into segments called pinnae ...