Child Development Terms
Autosomes
The 22 matching chromosome pairs in each human cell
Analgesics
A mild pain relieving drug
Allele
Each of two forms of a gene located at the same place on the autosomes
Anesthetics
A strong painkilling drug that blocks sensation
Breech Position
A postion of the baby in the uterus that would cause the buttocks or feet to be delivered first
Chromosomes
Rodlike structures in the cell nucleus that store and transmit genetic information
Codominance
A pattern of inheritance in which both alleles in a heterozygous combination are expressed
Dilation
Widening and thinning of the cervix during the first stage of labor
Dominant-Recessive
A pattern of inheritcane in which, under heterozygous conditions the influence of only one allele is apparent
Dizygotic
Derived from two seperately fertilized eggs
Episiotomy
An incision into the perenium and vagina to allow sufficient clearance for birth
Forceps
Metal clamps placed around a baby’s head and used to pull out the infant from the birth canal
Gametes
Human sperm and ova which contain half as many chromosomes as a regular body cell
Genotype
The genetic makeup of an individual
Monozygotic
Coming from one egg
Mutation
A sudden but permanent change in a person’s DNA
Phenotype
The individual’s physical and behavioral characteristics, which are determined by both genetic and environmental factors
REM and NREM
REM- Rapid Eye Movement NREM- Non rapid eye movement regular sleep state
Zygote
The newly fertilized cell fromed by the union of sperm and ovum at conception
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