Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Fission The separation of a[…]
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Sexual reproduction
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Sexual reproduction Production of a[…]
Read moreHermaphroditism,”Sexual reproduction presents a special problem forcertain organisms- That seldom encounter a mate• One solution to this problem is hermaphroditism- In which each individual has both male and femalereproductive systems.Both male and female reproductive systems• In same animal
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Hermaphroditism,”Sexual reproduction presents a special[…]
Read moresequential hermaphroditism
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.sequential hermaphroditism Another remarkable reproductive[…]
Read moreSpermatogenesis,”multiply by mitosis. Primary spermatocytes undergo meiosis I to produce 2 haploid secondary spermatocytes. Undergo meiosis II to produce 4 haploid spermatids. Eventuallybecome sperm,1 cell becomes 4 gametes. Sperm has head (with acrosome), midpiece
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Spermatogenesis,”multiply by mitosis. Primary spermatocytes[…]
Read moreGametogenesis
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Gametogenesis Production of gamete
Read moreOogenesis,”1 gamete from each primary oocyteEach meiotic division results in 1 large cell(secondary oocyte in meiosis I and ovum in meiosisII) and 2 small cell (polar body).One or many ova can develop at a time2 layers around ova (zona pellucida andcumulus mass)Most female mammals are born with all the primary oocytes they willever have- About 1 million at birth but degeneration leaves about 200
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Oogenesis,”1 gamete from each primary[…]
Read moreGerm cells
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Read moreExternal fertilization
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.External fertilization Eggs and sperm[…]
Read moreInternal fertilization
Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Internal fertilization Sperm deposited within[…]
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