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Human Development
Pre Natal Development😒
Question | Answer |
---|---|
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 |