18 Questions
When a cell is preparing to divide, what happens to the chromatin?
The chromatin becomes more condensed and visible as chromosomes
What is the total number of chromosomes in a human somatic (body) cell?
46
What are homologous chromosomes?
All of the above
What is the difference between a haploid and a diploid cell?
Haploid cells have one complete set of chromosomes, diploid have two
What is a karyotype?
A profile of a person's chromosomes arranged by size and number
How many pairs of autosomal chromosomes do humans have?
22 pairs
What are the two forms of chromatin found in cells?
Euchromatin and Heterochromatin
During prophase, chromatin condenses into which form?
Chromosomal form
Which type of cells have a relatively easy time sorting daughter chromosomes during cell division?
Prokaryotic cells with only 1 chromosome
What is the goal of cell division in eukaryotes?
To partition identical copies of genetic material between two daughter cells
Which term describes the distribution of one identical copy of each chromosome to developing daughter cells in eukaryotes?
Mitosis
In binary fission, what happens to the circular chromosomes produced by prokaryotes?
They move to opposite ends of the cell and form two cells
How many chromatids are there in a duplicated chromosome during the S-phase of interphase?
2
What is the total number of chromatids in a diploid cell with 46 chromosomes after DNA replication?
92
How many pairs of sister chromatids are present in a diploid cell with 46 chromosomes?
92
What is the haploid number of chromosomes in a cell that has a diploid number of 46 chromosomes?
23
How many different chromosomes would be observed in a karyotype of a diploid individual with 46 chromosomes?
23
Which term describes the complex of DNA and proteins in the cell nucleus?
Chromatin
This quiz covers important concepts related to cell division focusing on mitosis, including an overview of the process, DNA replication, the cell cycle, regulation mechanisms, and the connection to cancer. Test your knowledge on the stages and key elements of mitosis.
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