click below
click below
Normal Size Small Size show me how
Genetics Intro
Introduction to Genetics
| Term | Definition |
|---|---|
| Geneticists | scientists who study how traits are passed from parents to their offspring |
| Genetics | the study of genes |
| Gene | part of DNA that codes for a trait |
| 46 chromosomes | number of chromosomes in a human body cell |
| 23 chromosomes | number of chromosomes in human sex cells, egg and sperm |
| karyotype | a picture of the chromosome pairs |
| Gregor Mendel | Father of Genetics |
| Phenotype | physical features of how traits are expressed (color of your eyes) |
| Genotype | the genetic make up of the trait |
| Dominant Allele | gene that always shows if one copy of it is present |
| Recessive Allele | gene that only shows if two copies of it is present |