mitosis
Cell cycle
cancer and telomeres
meiosis
genetic variation
100
S phase of interphase
When is DNA replicated?
100
this is how animal cells divide their cytoplasm
What is a cleavage furrow
100
Dolly's telomeres were altered in this way
What is shorter than normal
100
the goal of meiosis is to produce ____ daughter cells with...
What is 4; one member of each of the homologous chromosomes for a haploid set of chromosomes
100
these are the 3 sources of genetic variation for gamete formation
What is crossing over, random alignment of chromosomes during meiosis, random fertilization
200
in mitosis, a parent cell would have 8 chromosomes, when the daughter cells have ____ chromosomes
What is 8
200
when a cell undergoes mitosis the daughter cells have these characteristics
What is being identical to the parents
200
the name of the enzyme active in some cells to lengthen the telomeres
What is telomerase
200
gametogenesis in males and females are specifically called this and form how many active gametes?
What is spermatogenesis (4/4); oogenesis (1/4)
200
zygotes form from this process
What is fertilization of an egg from sperm
300
this is when chromosomes line up at the metaphase plate, also is the spindle equator
What is metaphase
300
this is the proper sequence of mitosis
What is prophase, metaphase, anaphase, telophase
300
these are the cells that telomerase is very active in
What are stem cells and cancer cells
300
meiosis I has the following action
What is separating homologous chromosomes
300
oogenesis forms this
What is one egg and 3 polar bodies
400
this is when the nuclear membrane re-forms
What is telophase
400
this is the phase when chromosomes head to the opposite poles
What is anaphase
400
the name for the mass of cells created if normal cell control is lost
What is a tumor
400
during meiosis II this is the main goal
What is separating sister chromatids
400
meiosis produces how many haploid cells
What is 4
500
this is the name for the distribution of cytoplasm to daughter cells
What is cytokinesis
500
HeLa cells have been used for this purpose
What is developing a polio vaccine, cancer studies, virus and radiation results
500
divide excessively, have decreased function, detach readily, enter and travel in blood and lymph vessels
What are cancer cells?
500
this is the phase in which crossing over occurs
What is the prophase I
500
this is the number of possible eggs or sperm a person can form
What is over 8 million due to the 23 pairs of chromosomes lining up at the metaphase plate and being pulled to either poll...this can be represented by 2 to the nth (exponent)