developmental psychology chapter 3. conception the combination of the ovum and sperm each cell...
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Developmental Developmental PsychologyPsychologyChapter 3Chapter 3
ConceptionConception
The combination of the ovum and spermThe combination of the ovum and sperm Each cell contains 23 pairs of Each cell contains 23 pairs of
chromosomes, except _____________chromosomes, except _____________ ZygoteZygote Twins – Monozygotic, DizygoticTwins – Monozygotic, Dizygotic Gender determinationGender determination DNADNA
GenotypesGenotypes
What are they?What are they? Simplest rule of genetic combinationSimplest rule of genetic combination
Dominant GenesDominant Genes Recessive GenesRecessive Genes
PolygenicPolygenic
Blood TypesBlood Types
AO BO
AB AO BO OO
PhenotypesPhenotypes
Definition: an individual’s Definition: an individual’s observable characteristics.observable characteristics.
PregnancyPregnancy
3 trimesters3 trimesters11stst 0 – 12 weeks 0 – 12 weeks22ndnd 12 – 24 weeks 12 – 24 weeks33rdrd 25 weeks to labor 25 weeks to labor
Prenatal DevelopmentPrenatal Development
3 stages of unequal length3 stages of unequal lengthDay 1 to week 3 – GERMINALDay 1 to week 3 – GERMINALWeeks 3 to 8 – EMBRYONICWeeks 3 to 8 – EMBRYONICWeeks 9 to 38 – FETALWeeks 9 to 38 – FETAL
Problems in DevelopmentProblems in Development Remember that most are rare or Remember that most are rare or
preventable.preventable. Genetic: PKU, Sickle Cell AneiaGenetic: PKU, Sickle Cell Aneia Sex or Gender Linked: Red/Green Sex or Gender Linked: Red/Green
Color Blindness (Men more likely to Color Blindness (Men more likely to experience).experience).
Chromosomal Errors: Down Chromosomal Errors: Down SyndromeSyndrome
TeratogensTeratogens
Other ProblemsOther Problems
DietDiet AgeAge Chronic IllnessChronic Illness Maternal IllnessMaternal Illness
Fetal AssessmentFetal Assessment
ChromosomalChromosomal AmniocentesisAmniocentesis
Growth DevelopmentGrowth Development UltrasoundUltrasound
Blood UrineBlood Urine Alpha-feta proteinAlpha-feta protein
FetoscopyFetoscopy
Birth ChoicesBirth Choices
AttendantsAttendantsDrugsDrugsLocationLocation
Physical Process of BirthPhysical Process of Birth
Stage 1Stage 1 DilationDilation EffacementEffacement
Stage 2Stage 2 Labor/ DeliveryLabor/ Delivery
Stage 3Stage 3 Delivery of the PlacentaDelivery of the Placenta
Assessment of the Assessment of the NeonateNeonate
Apgar Scale – p. 82Apgar Scale – p. 82 Effects of Low Birth WeightEffects of Low Birth Weight
Respiratory distressRespiratory distress Increased rates for long term health Increased rates for long term health
problemsproblems Decreased IQ scoresDecreased IQ scores More problems in schoolMore problems in school