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9 Cards in this Set
- Front
- Back
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How many chromosomes will the baby have In total
(how many from each parent) |
46 total
22 from each parent and 2 pair of sex chromosomes |
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What are teratogens
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external environmental factors that cause damage to development.
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Mitosis vs Meiosis
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Mitosis is division of a single cell
Meiosis is sexual cell reproduction |
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How long are sperm capable of fertilization after ejaculation
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5 days
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The gender of the infant is determined by what?
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The X or Y chromosome of the sperm
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Ectoderm development
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outer layer of skin
oil glands / hair follicles nails and hair sense organs mucous membrane |
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Mesoderm development
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true skin
skeleton bone and cartilage connective tissue muscle blood and blood vessels kidneys and gonads |
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Endoderm development
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lining of trachae, pharynx, and bronchi
lining of digestive tract lining of bladder and urethra |
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what point can you detect a fetal heart beat
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as early as 8 weeks
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