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A chromatid (Greek khrōmat- 'color' + -id) is one copy of a newly copied chromosome which is still joined to the other copy by a single centromere. Before replication, one chromosome is...

What are the two halves of a double chromosome structure called


The two halves of a chromosome are called chromatids, or, more fully, sister- chromatids. Each sister-chromatid contains one molecule of DNA.

Chapter 8.2-8.3-:- Flash cards by cueFlash


long strands of DNA wrapped around proteins called histones: Stephen Fyler 8.2 ... the two halves of the doubled structure in the chromosome: Stephen Fyler ...

Cell Cycle and Cell Division - Encyclopedia.com


Mitosis is a cellular division resulting in two identical nuclei that takes place in somatic cells. ... Structures called centrioles position themselves across from each other, at either ... During the stage of mitosis called metaphase, the chromosomes line ... apart at their centromere (chromosomes have two complementary halves, ...

Presentation "Cell Growth & Reproduction Section 8.2 Chapter 8 ...


For most of a cells lifetime, chromosomes exist as chromatin. Chromatin are .... Slide 45. The two halves of the doubled structure are called sister chromatids.

Chapter 11: Cell Cycles - Introduction - Gustavus Adolphus College


During mitosis, a diploid cell would go from one 2N cell to two 2N cells. ... is marked by the early condensation of the chromosomes into visible structures. ... The movement phase begins precisely as the two halves of a chromosome, the .... The doubled chromosomes will fuse within a single nucleus, thus increasing the ...

DNA structure and replication, and Nuclear Division


DNA is a fascinating substance, because it can split into 2 halves, each of which can ... The two strands forming the sides of the ladder give it a strong yet flexible structure, ... These 2 double strands form the 2 sections of chromosomes (called ...

CELL DIVISION - Leavingbio.net

leavingbio.net/cell division.htm

Chromosomes are structures located in the nucleus of the cell. ... Chromosomes are long thin threads called chromatin until cell division occurs. ... Two daughter nuclei, genetically identical the original nucleus, are formed. ... This furrow becomes deeper until, eventually, it breaks the 2 halves apart to form 2 daughter cells.

Cell division - PEOI


Polyploid- Plants with more than two sets of chromosomes are termed polyploid. ... DNA synthesis , there are two identical DNA helices connected by a structure called the centromere. ... The DNA content of the nucleus is doubled and proteins are synthesized. ... New single strands join the two halves of original strands).

Cell Cycle, Dna, And Protein Synthesis Notes New - presentations


Nov 30, 2008 ... Mitosis <ul><li>During mitosis, one parent cell divides into two ... </li></ul><ul><li >The two halves of the doubled structure are called sister chromatids . ... Telophase <ul><li>Chromosomes uncoil </li></ul><ul><li>Spindle is ...

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What are the two halves of a duplicated chromosome called?


The two halves of a duplicated chromosome are called chromatids, and they are ... The simplest way to describe chromosome structure is as an X-shaped ...

SparkNotes: SAT Subject Test: Biology: Cell Replication


The two halves of the structure are called chromatids. The entire structure, even though it has doubled in size, is still called a chromosome. Since we call each ...

meiosis Facts, information, pictures | Encyclopedia.com articles ...


In the first round (meiosis I), the two versions of each chromosome, called ... This four-stranded structure of maternal and paternal homologues is also called a bivalent. ..... of the chromosome number (2n to n) compensates for its doubling when the .... The first division halves the chromosome number in the cells; the second ...