Examl 1:l PSYl 357/l PSY357l (Latestl 2025/l
2026l Update)l Lifespanl Developmentl Guide|l Questionsl &l Answers|l Gradel A|l 100%l Correctl (Verifiedl Solutions)-l GCU
Q:l Genotype
Answer:
Geneticl materiall makeup.l Hhl orl HHl orl GGGgl orl GgGgl homozygous,l heterozygous
Q:l Phenotype
Answer:
Observablel physicall characteristicsl (weight,l height,l eyel color,l hairl color)
Q:l Mitosis
Answer:
Celll bodyl divisionl replicationl ofl 22l autosomesl (non-sexl chromosomal)l Diploidl cellsl (2n) Thel processl throughl whichl alll cellsl otherl thanl gametesl reproduce,l inl whichl al celll dividesl andl eachl resultingl celll receivesl al fulll copyl ofl alll 46l chromosomes.
Q:l Meiosis
Answer:
Celll divisionl ofl gametes,l sexl cellsl eggl andl sperm,l producingl 23l unpairedl chromosomes.l Haploidl cellsl (n) Thel processl throughl whichl gametesl (sperml andl ova)l arel produced,l inl whichl eachl resultingl gametel hasl halfl ofl thel geneticl materiall ofl thel parentl cell.
Q:l Dominantl genes
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Answer:
onel genel ofl al pairl alwaysl exertsl itsl effects;l overridesl thel potentiall influencel ofl thel otherl gene.
Q:l Recessivel genes
Answer:
exertsl itsl influencel onlyl ifl twol genesl ofl al pairl arel bothl recessive.l Ifl inheritl al recessivel genel forl al traitl froml BOTHl parents,l thel traitl willl bel shown.
Q:l Gestation
Answer:
Timel framel ofl Conceptionl tol Birth.l lastsl 280l daysl froml mom'sl lastl period.
Q:l Fertilization
Answer:
Fusionl ofl sperml 23l chromosomesl (n)l withl eggl 23l chrosomesl (n)l tol makel al Zygote
Q:l Zygote
Answer:
Fertilizedl eggl byl onel sperml penetratingl intol thel egg.
Q:l Implantation
Answer:
thel embeddingl ofl thel blastocystl inl thel uterinel wall,l takesl placel inl thel secondl weekl afterl conception
Q:l Embryonicl Period
Answer: 2 / 3
Weeksl 2-8l ofl prenatall development
Q:l Embryol -l 3l layers
Answer:
Ectoderml -l outerl layer,l skin,l sensel organs,l nervousl sys Mesoderml -l middlel layer,l muscles,l bone,l circulatoryl system,l andl mesenteryl organs Endoderml -l innerl layer,l digestivel system,l lungs,l glands
Q:l Infertility
Answer:
causedl byl chlamydial -l hardl tol findl asymptomatic.Thisl narrows/clogsl Fallopianl tube,l thusl preventsl fertilization
Q:l Amnioticl Sac
Answer:
warml cushioningl sacl thatl protectsl embryo
Q:l Weekl 8-Birth,l sizel increasel of...
Answer:
Fetall Period,l aboutl 7l months Sizel ofl fetusl willl increasel sizel 20-fold
Q:l Prenatall Testl -l Ultrasoundl sonography
Answer:
Highl frequencyl soundl wavesl arel directedl intol thel pregnantl woman'sl abdomen,l echol froml soundsl isl transformedl intol anl imagel ofl fetus'l innerl structure.
Q:l Determinel sexl ofl babyl usingl Ultrasoundl (time)
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