Homework Help: science

Posted by becki on Friday, November 6, 2009 at 5:23pm.

Can someone please tell me when a chromosome is a chromosome and when it is called a chromatid.

For ex/ after anaphase the chromatids are now each called a chromosome,etc

science - bobpursley, Friday, November 6, 2009 at 6:37pm
http://en.wikipedia.org/wiki/Chromatid
see the picture on the right, and read the first paragaraph
science - manisha, Sunday, November 8, 2009 at 12:39am
Chromosome is always a chromosome through out mitosis.chromosome and chromatids are two different things.Each chromosome is made of two strands and these strands are called chromatid.Chromatids of same chromosome are called sister chromatids and they are joined at a point called centromere.
1 during prophase chromosome(consisting of two chromatids) thicken

2 during metaphase chromosome(consisting of two chromatids) lie at equator

3 during anaphase two chromatids of each chromosome seperate.

4 during telophase chromatid develop in to new chromosomes.

Answer this Question

Related Questions

bio - TRUE OR FALSE 1. One of two identical"sister" parts of a copied ...
biology - When do strands of DNA form chromoshomes? What is a replicated ...
Science - An animal has the genotype AaBbCcDD. Gene A is on chromosome 1, gene B...
biology - Which of these statements concerning the centromere is NOT true? a. it...
7th grade science Ms. Sue please - 1. What steps in meiosis are similar to steps...
Science - Please help me with matching the stages of the meiosis to its proper ...
Biology - I have to draw a labelled diagram to show the chromatids of a diploid ...
PLEASE HELP ASAP..thanks..BIOLOGY - Where in the cell does DNA become RNA? Which...
science - the smiths have four chilkdren,all girls. thier fifth is a boy. why ...
7th grade science help Ms. Sue please! - 1. Most of the life of any cell is ...

For Further Reading

First Name:
School Subject:
Answer: