BIOL 1000 Chapter 9: Chap 9 notes
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1. only one chromosome of a homologous pair is present in a cell 2. sister chromatids seperate 3. homologous chromosomes pair up 4. parent cell and daughter cells are genetically identical to each other 5. chromosomes replicate before nuclear division 6. crossing over 7. involved in growth and repair 8. homologous chromosomes separate 9. synthesis of sister chromatids before division 10. independent assortment | Answer Choices: A. occurs ONLY in meiosis B. occurs in BOTH mitosis and meiosis C. occurs ONLY in mitosis |
1- Most of a cell's life is spend in this phase of the cell cycle:
--------------------
2- The cell cycle is a highly regulated process.
True
False
3- Cells replicate their DNA during ________________ phase.
G
S
Q
M
4- In animal cells, ________________________ is the indentation of the cell's surface that marks cytokinesis, the final splitting of the membrane, in the process of cell division.
cleavage furrow
binary fission
cell plate
sister chromatids
5- Somatic ("body") cells are _______________ (2n). This means there are two copies of each chromosome.
6- During the _______ phase(s) cells perform their everyday functions.
S
M
Q
G
7- When chromosomes are duplicated the two strands are called _______________________________ and they are linked together at a point called the ____________________.
sister strands; kinetochore
sister chromatids; centromere
dual chromatids; centromere
genes; chromatid
8- New somatic âbodyâ cells are formed by this process:
meiosis
binary fission
replication
mitosis
9- The cytoplasmic division of a cell at the end of mitosis or meiosis, bringing about the separation into two daughter cells.
10- Cells replicate their DNA during ________________ phase.
S
Q
G
M