Chapter 9-10 Mitosis and Meiosis
A cell biologist carefully measured the quantity of DNA in grasshopper cells growing in cell culture. Cells examined during the G2 phase of the cell cycle contained 200 units of DNA. What would be the amount of DNA at G1 of the cell cycle in one of the grasshopper daughter cells?
100 units
How many different combinations of maternal and paternal chromosomes can be packaged in gametes made by an organism with a diploid number of 8 (2n=8)?
16
How many pairs of autosomes do humans have
22
Down syndrome is characterized by cells having three copies of chromosome 21. As a cell in an individual with Down Syndrome prepares to enter mitosis, how many chromatids would be present
94
You would know a dividing cell was a plant cell rather than an animal cell if you saw that
It had formed a cell plate
Which of the following represents a mismatch or incorrect description
Metaphase: the nuclear envelope disappears
Which of the following processes does not occur in dividing bacteria
Mitosis
Which event occurs during prophase 1
Synapsis of homologous chromosomes
In a male mammal, every cell that undergoes meiosis in the production of gametes gives rise to _____ sperm
four
Which of the following statements is FALSE regarding cells involved in processes of mitosis and meiosis
Haploid cells can divide by meiosis