Biology 1001A Lecture Notes - Lecture 6: Genetic Recombination, Cell Nucleus, Nuclear Membrane
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Post-lab question 4
How do you determine the sex of an individual when examining their karyotype?
Post-lab question 6
If the chromosome number for an organism is 22 before mitosis, what is the chromosome number of each daughter cell after mitosis has taken place?
Post-lab question 9
If a cell in an organism had 16 chromosomes before meiosis, how many chromosomes would exist in each nucleus after meiosis? What is the diploid number? What is the haploid number?
After meiosis | |
Diploid number | |
Haploid number |
Post-lab question 11
Describe the differences between haploid and diploid cells
Where IN THE BODY are they found?
Post-lab question 14
Describe THREE differences in DNA and RNA structure.
Post-lab question 17
What amino acid would be produced if transcription took place from the DNA sequence CAT?
If a genetic mistake took place during replication and the new DNA strand has the sequence CAG what amino acid would result?
What amino acid would result if the genetic mistake resulted in the DNA strand with the sequence GAT?
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
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