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C. Eukaryotic chromatin is composed of DNA and proteins. D. Sister Chromatids A duplicated chromosome consists of two sister chromatids from BIOLOGY 130 at Cuyamaca College 2019-08-06 · A duplicated chromosome is comprised of two identical chromosomes called sister chromatids that are connected at the centromere region. Sister chromatids remain together until the end of the division process where they are separated by spindle fibers and enclosed within separate cells. Chromatids are the one-half of two identical threadlike strands of a replicated chromosome and the two similar threads or chromatids attached to each other by a narrow non-stainable or very lightly stained area called as the centromere. Karyotype of a human female, showing 22, duplicated, homologous pairs of autosomes, and two duplicated X chromosomes. Cell Division & DNA Replicaiton Cells Divide to Make More Cells: During the cell cycle, somatic cells grow and divide.
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The difference between a duplicated chromosome and a chromatid, strictly speaking, is that a chromosome contains two chromatids that are joined at a structure called a centromere. So, a duplicated chromosome has two chromatids which are attached at their centromere and are known as sister chromatids, which are genetically identical. They are formed during both type of cell division mitosis and meiosis as after DNA replication, the chromosome is made of two identical structures called sister chromatids. in which stage of cell cycle each choromosome is duplicated and so it consists of two chromatids - 22893649 chromosomes, are duplicated. II. S phase (DNA Synthesis) - Each of the 46 chromosomes are duplicated by the cell. III. G2 phase (Gap 2) - The Cell “double checks” the duplicated chromosomes for error, making any needed repair.
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… A duplicated chromosomes consist of two _____ _____ held together by a _____. Get the answers you need, now! A duplicated chromosome consists of two chromatids.
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The chromatids are held together by a centromere (SEN-truh-mir).
in which stage of cell cycle each choromosome is duplicated and so it consists of two chromatids - 22893649
Chromosomes can have 1 or 2 chromatids, depending on whether they have replicated. CHROMOSOMAL STRUCTURE. A chromatid is a condensed DNA subunit of a chromosome. The two chromatids of a duplicated chromosome are held together at a region of DNA called the centromere (see figure below). 2020-02-24
A replicated chromosome (or equivalently, a duplicated chromosome) contains two identical chromatids, also called sister chromatids.
III. G2 phase (Gap 2) - The Cell “double checks” the duplicated chromosomes for error, making any needed repair. 2. Mitosis - nuclear/chemical events resulting in two daughter nuclei which have identical genetic material to each During the cell cycle, when would a chromosome consist of two identical sister chromatids? Answer.
The main differences between the processes occur in the first division of meiosis, in which homologous chromosomes are paired and exchange non-sister chromatid segments. A non-sister Chromatid, on the other hand, refers to either of the two Chromatids of paired homologous chromosomes, that is, the pairing of a paternal chromosome and a maternal chromosome 26.
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Related questions. Q 6 . The structure where sister chromatids are joined is called the _____. A)centromere B)spindle C)centrosome D)centriole. Question. 1.