BIO- Genetics Vocab 21-40

crossing a true-breeding recessive organism with an organism of dominant phenotype but unknown genotype; helps to determine the unknown genotype as either homozygous dominant or heterozygous dominant

• Autosomes

• Linked genes

• Carrier

• Testcross

A diagram used by geneticists to chart a trait from one generation to another

• Codominance

• Pedigree

• Law of independent assortment

• Dihybrid cross

Studying two traits crossed from parent organisms

• Dihybrid cross

• Law of independent assortment

• Carrier

• Hemophilia

A recessive disorder or disease caused by a defective gene on the X chromosome; the most common type of sex-linked disorder

• Hemophilia

• Sex-linked genes

• Sex chromosomes

• X-linked recessive disorder

A natural law that explains how traits are inherited independently of other traits

• Linked genes

• Cystic fibrosis

• Law of independent assortment

• Autosomes

Genes that are found on either the X or the Y sex chromosome

• X-linked recessive disorder

• Sex-linked genes

• Sex chromsomes

• Linked genes

All chromosomes except the sex chromosomes (X and Y)

• Autosomes

• Linked genes

• Carrier

• Pedigree

The one pair of X and Y chromosomes that determines gender

• Sex-linked genes

• Sex chromosomes

• Multiple allele

• autosomes

A person who has one recessive gene for a recessive genetic disease; will not display symptoms of the disease but can pass on the gene to offspring

• Multiple allele

• Codominance

• Carrier

• Linked genes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A sex-linked disease that is carried on the X chromosome

• Hemophilia

• cystic fibrosis

• Color blindness

• Tay-sachs