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The flashcards below were created by user
meeeemi
on FreezingBlue Flashcards.
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chromosomes are stored in the _______
nucleus/nuclei
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chromosomes are made up of _____
genes
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mitosis is mainly used for 2 reasons, which are:
- -unicellular reproduction
- -growth, repair, and development of cells
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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
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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
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asexual reproduction is accomplished through _______
mitosis
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cancer is defined as:
uncontrolled cell division
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meiosis only occurs during ________ ___________
sexual reproduction
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what are gametes?
sex cells
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what is the gamete for men? women? and where is it produced
- sperm, produced in testes
- egg, produced in ovaries
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define diploid
same # of chromosomes as original cell
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define halpoid
half the number of chromosomes of the original cell
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crossing over occurs during:
the first phase of meiosis
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when sperm and egg combine to make a zygote, it is called...
fertilization
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the male hormone is _______ and is produced by the _____
testosterone, testes
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the female hormones are ________ and ___________.
estrogen and progesterone
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the placenta is a tissue which...
allows exchange of materials with the fetus and mother
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the function of ovaries are to..
produce gametes
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the function of the uterus is to..
provide shelter for egg
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the function of the oviduct is to..
fertilize and transfer eggs
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