Biology
Biology, 08.07.2019 16:10, babas97

Will give
which of the following does not generally occur?
a. a fertilized egg splitting into two embryos
b. a single sperm fertilizing a single egg
c. two sperm fertilizing two different eggs at the same time
d. two different sperm both fertilizing the same egg

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Biology, 24.06.2019 19:30, haileyrae187
How does nondisjunction in human female gametes give rise to klinefelter and turner syndrome offspring following fertilization by a normal male gamete? a. nondisjunction results in ova that carry either two x chromosomes or none. the former results in turner syndrome when fertilized by a y-containing sperm, and the latter results in klinfelter syndrome when fertilized by an x-containing sperm.b. nondisjunction results in ova that carry either two x chromosomes or none. an ovum with no x chromosomes results in klinefelter syndrome when fertilized by a y-containing sperm, and in turner syndrome when fertilized by an x-containing sperm.c. nondisjunction of complete sets of chromosomes leads to ova that are either diploid, or completely devoid of chromosomes. a diploid ovum results in klinefelter syndrome when fertilized by a y-containing sperm, and results in turner syndrome when fertilized by an x-containing sperm.d. nondisjunction results in ova that carry either two x chromosomes or none. an ovum with two x chromosomes results in klinefelter syndrome when fertilized by a y-containing sperm, and in turner syndrome when fertilized by an x-containing sperm.e. nondisjunction results in ova that carry either two x chromosomes or none. the former results in klinefelter syndrome when fertilized by a y-containing sperm, and the latter results in turner syndrome when fertilized by an x-containing sperm.
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Biology, 25.06.2019 15:00, makennahudson94
According to embryology, why do fish and birds have a common ancestor? they both have embryos with gill slits and tails. they both have embryos with traits that eventually disappear. they both have embryos that develop into adults. they both have embryos that form from a fertilized egg.
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Biology, 27.06.2019 16:40, MK100
Which of the following does not generally occur? a. a single sperm fertilizing a single egg b. two different sperm both fertilizing the same egg c. a fertilized egg splitting into two embryos d. two sperm fertilizing two different eggs at the same time
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Biology, 24.07.2019 21:30, Afranker8778
Identical twins occur when one egg is released and is fertilized by one sperm, and the pre-embryo later splits into two two eggs are released and are fertilized by the same sperm two eggs are released and are fertilized by two different sperm one egg is released and is fertilized by one sperm, and the fetus later splits into two
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which of the following does not generally occur?
a. a fertilized egg splitt...

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