Cell Cycle
In the cell cycle, one parent cell forms.....
2 identical daughter cells
Prophase
Meiosis makes what type of cells?
Gametes
What is the term for missing a chromosome?
Monosomy
What do we call cells that divide uncontrollably?
Cancer
What is the longest phase of the cell cycle?
Interphase
Which phase results in sister chromatids pulling apart to the opposite ends of a cell?
Anaphase
In Meiosis, the daughter cells have _______the number of chromosomes of their parent cell.
Half
What is the phrase for having one extra chromosome?
Trisomy
What are two causes of cancer?
Any of these: DNA replication error, carcinogens (smoke, sunlight, radiation, processed foods, mutations, viruses)
What is chromatin made of?
Histones and DNA
What phase results in 2 nuclei in one cell?
Telophase
What phase does crossing over occur in?
Prophase 1
Which mutation results in multiple copies of the region?
Duplication
What type of tumor is not cancerous?
Benign
What do we call two halves of the Chromosome?
Sister Chromatids
Which type of asexual reproduction is used in prokaryotes and produces two new cells?
Binary Fission
What phase does independent assortment occur in?
Metaphase 1
What occurs when chromosomes do not separate properly?
Nondisjunction
Which cancer treatment kills healthy and unhealthy cells by stopping division?
Chemotherapy
In what phase do we duplicate the DNA?
S Phase
If the parent cell has 8 chromosomes, how many chromosomes does each new daughter cell have?
8
If the parent cell has 8 chromosomes, how many will each daughter cell have after meiosis?
4
How many chromosomes are in a human somatic cell?
46
Which cells are known as the immortal cells?
HeLa Cells