Answers

The Brainliest Answer!
2015-08-03T17:08:31+08:00
a threadlike structure needs to develop a fetus. 
2 5 2
2015-08-03T22:46:32+08:00
It is a cellular structure carrying genetic material, found in the nucleus of eukaryotic cells. Each chromosome consist of one very long DNAmoecules and associated proteins.
1 5 1