Genetics Since Mendel Flashcards
What is it called when both alleles are dominant and the heterozygous is blended?
Incomplete Dominance
What is it called when both alleles are dominant and the the heterozygous shows both alleles?
Co-Dominance
What is it called when there are more than two alleles for a trait?
Multiple Alleles
What is an example of a phenotype that shows incomplete dominance?
pink flower, grey fur, Palomino horse, strawberry blonde hair
What is an example of a phenotype that shows co-dominance?
roan cow, spotted fur
What is an example of multiple alleles?
blood type, hair color
What is it called when it takes many genes to make the trait?
Polygenic inheritance
What is an example of polygenic inheritance?
hair color, eye color, skin color
What is it called when a disorder is caused by too many or too few chromosomes?
Chromosome disorder
What is an example of a chromosome disorder?
Down’s syndrome
What is it called when both parents have a recessive allele to pass down to their child to give them a disorder?
Recessive Genetic Disorder
What is an example of a recessive genetic disorder?
cystic fibrosis, sickle cell anemia
What chromosomes make a boy?
XY
What chromosomes make a girl?
XX
What is it called when a disorder is inherited on the X chromosome?
Sex-Linked Disorder
