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12 Cards in this Set

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