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Human Development

Pre Natal Development😒

QuestionAnswer
When does Conception occur ? When the sperm fertilises the egg
How many Chromosomes are there in conception? 46
What pair of chromosomes will differ and determine babies sex ? 23rd
Whate are the other 22 chromosomes called ? Autosomes
Can the male or female produce both sex copies? Male
Name the 3 stages to pre natal development Germinal, Emryonic and Fetal stage...
When are each of the three ? Germinal-When zygote fertilises the egg (2weeks) Embryonic- Week 2 -8 Fetal-Week 9 - Birth
Define reflexes Reflexes are involuntary stereotyped movement responses to a particular stimuli.
When are reflexes dominant? Last 4 months of prenatal life and first 4 months after birth.
Name the 6 reflexes.. Moro, sucking, Walking, palmer grip, Swimming, Babinski.
What happens 4 months into birth The brain and nervous system develop after birth and reflexes dissapear
Define teratogens A teratogen is a factor that adversely affects the developing Fetus
Name 2 ways teratogens occur Hereditary and genetic
Give and example of a genetic disorder Cystic Fibrosis
What is a maternal disease Transmitted to the fetus by crossing the placental barrier (Aids)
Define teratogens A teratogen is a factor that adversely affects the developing Fetus
What is the fetus reliant on during pregnancy Nutrition from the mother
Name 2 ways teratogens occur Hereditary and genetic
What is Rhesus incompatibility A protein on red blood cells that occurs in a woman during pregnancy (RH POS-RH NEG)
Give and example of a genetic disorder Cystic Fibrosis
Define perception Perceptions concerned with how we interpret and organise sensory information to produce our conscious experience
What is a maternal disease Transmitted to the fetus by crossing the placental barrier (Aids)
What are the 5 senses that influence perception Hearing, Taste, Touch, smell and vision
What did the drug Thaldimide do Caused cognitive deformities in the baby
What is the fetus reliant on during pregnancy Nutrition from the mother
What is Rhesus incompatibility A protein on red blood cells that occurs in a woman during pregnancy (RH POS-RH NEG)
Define perception Perceptions concerned with how we interpret and organise sensory information to produce our conscious experience
What are the 5 senses that influence perception Hearing, Taste, Touch, smell and vision
Created by: Luke2004!
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