This is a list of some of the major vocab in the reproduction unit.
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Asexual Reproduction | Making exact copies of an organism (budding, regeneration)
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| Nucleotide | bond together to make nucleic acids such as DNA
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| Replication | making an exact copy of something
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| Mitosis | one cell dividing into two twin cells
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| Cancer | uncontrolled cell mitosis
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| Meiosis | creation of sperm & egg cells that are all different from one another
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| Diploid (2n) | a cell with a full set of chromosomes (46 chromosomes for humans)
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| Haploid (n) | a cell with half of a set of chromosomes (23 chromosomes for humans)
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| Gamete | sex cell (sperm or egg)
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| Scrotum | controls the temperature of the testes for sperm production
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| Prostate Gland/seminal vesicles | secrete (create) fluid that mixes with the sperm to aid in travel
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| ovary | creates eggs, estrogen and progesterone
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| uterus | builds and sheds its lining during menstruation; site where the baby develops
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| oviduct/fallopian tube | tube where egg travels from ovary to uterus
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| menstruation | shedding of the uterine lining
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| ovulation | release of the egg from the ovary
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| fertilization | sperm and egg meet to make a zygote
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| zygote | the one diploid cell created from fertilization
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| cleavage | a zygote dividing by mitosis to become many cells during development
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| differentiation | cells using only certain parts of their 46 chromosomes and therefore begin to look and function differently
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| amniocentesis | a test that takes amniotic fluid to test fetal cells for genetic abnormalities
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| egg | the female haploid gamete
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| embryo | stage of fetal development after differentiation and before the fetus.
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| estrogen | female hormone that provides negative feedback to FSH and also promotes the thickening of the uterine lining.
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| external fertilization | sperm and egg meet outside of the body...often occurs in fish
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| fetus | stage of fetal development after the embryo and before birth of the baby
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| internal fertilization | sperm and egg meet inside the body
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| negative feedback loop | interaction of two hormones where one hormone stops the creation of another hormone
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| placenta | series of blood vessels where materials are EXCHANGED between mother and baby
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| progesterone | female hormone that provides negative feedback to LH and also promotes the thickening of the uterine lining.
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| sex cells | gametes such as sperm and egg
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| sexual reproduction | requires sperm and egg and results in a unique individual
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| sperm | male haploid gamete
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| testes | production of sperm and testosterone occurs here
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| testosterone | the male hormone that causes male sex characteristics
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| ultrasound | using sound waves, a visual image of a fetus is created to search for abnormalities in growth
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| umbilical cord | where materials travel from baby to placenta.
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