A typical eukaryotic chromosome found in humans has about 100 million bp of DNA. As noted in Chapter 11, 1 DNA base pair has a linear length of 0.34 nm.A. What is the linear length of the DNA in a typical human chromosomein micrometers?B. What is the linear length of a 30-nm fiber of a typical humanchromosome?C. Based on your calculation in part B, would a typical human chromosome fit inside the nucleus (with a diameter of 5 μm) if the 30-nm fiber were stretched out in a linear manner? If not, explain how a typical human chromosome fits inside the nucleus during interphase.
Oogenesis
The formation of the ovum (mature female gamete) from undifferentiated germ cells is called oogenesis. This process takes place in the ovaries (female gonads). Oogenesis consists of three stages known as the multiplication phase, growth phase, and maturation phase.
Cell Division
Cell division involves the formation of new daughter cells from the parent cells. It is a part of the cell cycle that takes place in both prokaryotic and eukaryotic organisms. Cell division is required for three main reasons:
A typical eukaryotic chromosome found in humans has about 100 million bp of DNA. As noted in Chapter 11, 1 DNA base pair has a linear length of 0.34 nm.
A. What is the linear length of the DNA in a typical human chromosome
in micrometers?
B. What is the linear length of a 30-nm fiber of a typical human
chromosome?
C. Based on your calculation in part B, would a typical human chromosome fit inside the nucleus (with a diameter of 5 μm) if the 30-nm fiber were stretched out in a linear manner? If not, explain how a typical human chromosome fits inside the nucleus during interphase.
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