Genetic Foundation/ Conception Flashcards
Psycho-social theory
A theory that states that something is a result of the state of mind of the person and their interaction with the environment.
Chromosomes
All human cells (excluding the egg and sperm) contain 23 pairs of chromosomes
Gametes
Sex cells
Zygote
The Fertilized egg
Genes
A discrete (specific) region of DNA that produces a single, identifiable protein.
SNP
A “typo” on the strand of DNA (a single wrong nucleotide is placed)
Haplotype
A group of SNP’s
CNV
When a stretch of DNA is copied more than once or it is failed to be copied
Genotype
The genetic makeup of an organism
Phenotype
The appearance of an organism resulting from the interaction of the genotype and the environment.
How many genes does a human have?
23,000
Autosomal Genes
Genes on the first 22 chromosome pairs
Sex limited genes
Genes on the first 22 chromosomes that are normally activated by what sex you are. (these genes are also autosomal)
Allele
Refers to alternative forms of genes
Polygenetic Influence
When there are many different genes that influence a single trait