Science Chapter 12
Order by
18 terms
Terms | Definitions |
|---|---|
 Tay-Sachs disease | recessive disorder that results from the absence of an enzyme required to break down lipids |
| Huntington's disease | Lethal genetic disorder caused by a dominant allele |
| cystic fibrosis | most common genetic disorder among white Americans |
| phenylketonuria | recessive disorder that results from the absence of an enzyme that converts one amino acid into another one |
| simple dominant traits | window's peak and hitch hiker's thumb |
| pedigree | graphic representation of genetic inheritance |
| carrier | heterozygous individual |
| autosomes | 22 pairs of homologous chromosomes in males and females |
| sex chromosomes | 23rd pair of chromosomes that are different in males and females |
| codominant alleles | both phenotypes produced in heterozygote |
| incomplete dominance | phenotype of heterozygous individual is intermediate between those of homozygous |
| XX | female |
| XY | male |
| karyotype | chart of chromosome pairs prepared from photo of metaphase |
| fetus | developing baby inside the mother |
| multiple alleles | traits controlled by more than 2 alleles |
| sex-linked traits | traits controlled by genes located on sex chromosomes |
| polygenic inheritance | the inheritance pattern of a trait that is controlled by two or more genes |
First Time Here?
Welcome to Quizlet, a fun, free place to study. Try these flashcards, find others to study, or make your own.
Set Champions
There are no high scores or champions for this set yet. You can sign up or log in to be the first!