Meiosis & stem cell biology Flashcards
1
Q
What is meiosis?
A
The division of diploid cells to haploid progeny, consisting of two sequential rounds of nuclear and cellular division.
2
Q
What does diploid mean?
A
An organism or cell that carries two copies of each chromosome.
3
Q
What does haploid mean?
A
An organism or cell that has one copy of each chromosome.
4
Q
What is homologous recombination?
A
Recombination between segments of DNA with homologous nucleotide sequences.
5
Q
What is a stem cell?
A
A cell that divides to produce daughter cells that can either differentiate or remain as stem cells.
6
Q
What is cancer?
A
A malignant tumor.
7
Q
What is apoptosis?
A
An active process of programmed cell death, characterized by cleavage of chromosomal DNA, chromatin condensation, and fragmentation of both the nucleus and the cell.
