Ch. 12 – Genetics - Study Guide
Genetics- the study of inheritance
Inheritance- the passing on of genes from parent to offspring
Trait- any characteristic of an organism
Autosomal chromosomes- controls traits that do not relate to gender
Sex chromosomes- contains the genes that control gender
Gene-piece of dna that codes for a trait
Amniocentesis- removes fluid surrounding the fetus to obtain an analyze fetal cells to diagnose
Pedigree- showing family phenotype information about a certain trait
List and define the 2 types of human chromosomes.
How many of each type do we have?