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12 Cards in this Set
- Front
- Back
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Conception
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The union of an ovum and sperm
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List the sequential sequence of events in fertilization.
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gamete formation
ovulation fertilization implantation |
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Zona pellucida
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thick, inner membranous envelope of ovum.
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corna radiate
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outer ring of the cells surrounding the ovum after ovulation.
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morula
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solid ball of 16 cells produced within 3 days of fertilization.
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Fertilization must occur fairly quickly after the release of the ovum because an ovum is capable of fertilization for only about
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24 hours
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The functional life of a spermatozoon is about ___ hrs.
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48
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Where does fertilization occur?
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outer 1/3 of fallopian tube. (ampulla)
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The hereditary characteristics are transmitted by the _____
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genes
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When the sperm and the ovum fuse, the resulting structure is a
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zygote
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The fertilized ovum contains ____ chromosomes
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46
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If an X-carrying sperm enters the ovum, the resulting child will have 2 X-chromosomes and will be a _______
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female
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