Identifying the genetic sex of a child is based on finding intracellular Barr bodies that consist of inactive chromatin material.
Inactive chromatin material is the one where no transcription takes place. It is also known by the name heterochromatin. It appears as a dark condensed form in the chromatin.
Barr bodies are the inactive X chromosomes. These are mad inactive by a process termed as lyonization. It is essential to make the chromosome inactive in organisms with XY type of sex determination. They are present at the periphery of the nucleus. Inactivation of X chromosome makes the amount of X chromosomes equal in both, males and females.
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<span>The hyphal walls are made of a substance called ... They have cells walls made of chitin, reproductive cells i think its true</span>
Nonpoint source pollution comes from several locations. If they cannot find the origin of the pollution it can be almost impossible to regulate. Or they may not have enough funding.
It is the same no matter what the cell type.
The answer is lette r B observing organism that occupy