prenatal

prenatal - Types of Sperm Male Sperm Y Swim FAST...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
2/10/10 1 Prenatal Development Historical Origins • Is individual performed already? – Preformation Historical Origins • Is individual performed already? – Preformation • Do individual parts develop in succession? – Epigenesis
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2/10/10 2 Conception • Gametes – Egg (23 Chromosomes) – Sperm (23 Chromosomes) • Combine to make fertilized egg – Zygote
Background image of page 2
Background image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Types of Sperm Male Sperm Y Swim FAST Genetically WEAK Female Sperm X Swim SLOW Genetically STRONG 2/10/10 3 Periods of Prenatal Development Germinal First 2 weeks creation of the zygote (fertilized egg) Embryonic 2-8 weeks Organs begin to form Fetal 8 weeks-birth Rapid organ development In the Womb...
View Full Document

Page1 / 3

prenatal - Types of Sperm Male Sperm Y Swim FAST...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online