What are the replicated chromatids called?

What are replicated chromosomes?

A replicated chromosome (or equivalently, a duplicated chromosome) contains two identical chromatids, also called sister chromatids. 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.

What is it called when cells are replicated?

Then, at a critical point during interphase (called the S phase), the cell duplicates its chromosomes and ensures its systems are ready for cell division.

What is duplicated chromatin called?

Chromosomes are packaged by histone proteins into a condensed structure called chromatin. … The two identical chromosomes that result from DNA replication are referred to as sister chromatids. Sister chromatids are held together by proteins at a region of the chromosome called the centromere.

What are the differences between replicated and unreplicated chromosomes?

a unreplicated chromosome has one DNA molecule; a replicated chromosome has two identical DNA molecules (sister chromatids) attached at the centromere.

What causes chromosome duplication?

Duplications typically arise from an event termed unequal crossing-over (recombination) that occurs between misaligned homologous chromosomes during meiosis (germ cell formation). The chance of this event happening is a function of the degree of sharing of repetitive elements between two chromosomes.

What do you mean by DNA replication?

DNA replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. … Once the DNA in a cell is replicated, the cell can divide into two cells, each of which has an identical copy of the original DNA.

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What is a synonym for replication?

In this page you can discover 32 synonyms, antonyms, idiomatic expressions, and related words for replication, like: duplicate, facsimile, rejoinder, reproduction, synchronization, , carbon copy, copy, image, likeness and reduplication.

What is the process of cell splitting called?

Cytokinesis is the physical process of cell division, which divides the cytoplasm of a parental cell into two daughter cells. It occurs concurrently with two types of nuclear division called mitosis and meiosis, which occur in animal cells.

What is meant by Karyokinesis?

Karyokinesis: During cell division, the process of partition of a cell’s nucleus into the daughter cells. See also: Cytokinesis; Mitosis.