reproduction/cell division unit test
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chromosomes are stored in the _______
chromosomes are made up of _____
mitosis is mainly used for 2 reasons, which are:
- -unicellular reproduction
- -growth, repair, and development of cells
what are the steps of mitosis?
- 1. chromosomes are duplicated
- 2.chromosomes move to opposite ends of the cell
- 3. cell divides resulting in 2 new cells
what do animals cells have that plant cells don't when it comes to mitosis?
animal cells have centrioles that pull apart duplicated chromosomes, plant cells do not
asexual reproduction is accomplished through _______
cancer is defined as:
uncontrolled cell division
meiosis only occurs during ________ ___________
what are gametes?
what is the gamete for men? women? and where is it produced
- sperm, produced in testes
- egg, produced in ovaries
same # of chromosomes as original cell
half the number of chromosomes of the original cell
crossing over occurs during:
the first phase of meiosis
when sperm and egg combine to make a zygote, it is called...
the male hormone is _______ and is produced by the _____
the female hormones are ________ and ___________.
estrogen and progesterone
the placenta is a tissue which...
allows exchange of materials with the fetus and mother
the function of ovaries are to..
the function of the uterus is to..
provide shelter for egg
the function of the oviduct is to..
fertilize and transfer eggs
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