Haploid and Diploid
How many chromosomes are in a diploid body cell?
46
How many phases are in mitosis?
4
How many cells are formed in meiosis?
The cell elongates
Anaphase
A body cell has 80 chromosomes. How many chromosomes are in its egg cell?
40
List the phases of mitosis, in order.
Prophase, Metaphase, Anaphase, Telophase
Is the parent cell in meiosis haploid or diploid? Are the cells made in meiosis haploid or diploid?
diploid; haploid
Centriole pair begins to migrate to opposite poles
Prophase
An organism's sperm cell has 22 chromosomes. How many chromosomes are in its somatic cells?
44
How many cells are formed in mitosis? Are they haploid or diploid?
2; diploid
How many phases are in meiosis?
8
Duplicated chromosomes are at their most condensed during this stage
Metaphase
2n = ?
n = ?
pairs = 16
2n = 32
n = 16
How many cells are there before mitosis has begun? Is it haploid or diploid?
1; diploid
What is the name for the cells made in meiosis? List the two types.
Gametes; eggs and sperm
Spindle apparatus has disassembled
Telophase
2n = ?
n = 38
pairs = ?
2n = 79
pairs = 38
What three events happen during interphase?
- cell growth
- normal cell function
- DNA replication
Fill in the blanks. During ______________________, genetic information on ______________________ chromosomes is exchanged.
crossing over; homologous
Chromosomes begin to decondense
Telophase