Division Cellulaire Flashcards
(21 cards)
What is the process of cell division in somatic cells called?
Mitosis
True or False: Meiosis results in four genetically identical cells.
False
Fill in the blank: Somatic cells are also known as __________ cells.
body
What type of cells are produced by meiosis?
Sexual cells or gametes
How many chromosomes are present in human somatic cells?
46 chromosomes
What is the main purpose of mitosis?
To produce two identical daughter cells for growth and repair
True or False: Meiosis involves two rounds of cell division.
True
What is the result of meiosis in terms of chromosome number?
Haploid cells (half the chromosome number)
Fill in the blank: The process of __________ is essential for sexual reproduction.
Meiosis
Multiple Choice: During which phase of meiosis do homologous chromosomes separate? A) Prophase II B) Anaphase I C) Telophase I D) Metaphase II
B) Anaphase I
What is the term for the division of the cytoplasm at the end of mitosis?
Cytokinesis
True or False: Mitosis is used for reproduction in unicellular organisms.
True
Fill in the blank: The first stage of mitosis is called __________.
Prophase
What type of cells undergo meiosis?
Germ cells or gametes
Multiple Choice: Which of the following is NOT a stage of mitosis? A) Telophase B) Interphase C) Anaphase D) Prophase
B) Interphase
True or False: Genetic variation occurs through meiosis.
True
What is the end product of one complete meiosis cycle?
Four genetically diverse haploid cells
Fill in the blank: The phase where DNA is replicated before mitosis begins is called __________.
Interphase
What are the two main types of cell division?
Mitosis and Meiosis
True or False: Somatic cells undergo meiosis.
False
What is crossing over and when does it occur?
The exchange of genetic material between homologous chromosomes during prophase I of meiosis.