Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
22 Cards in this Set
- Front
- Back
|
Persistence
|
% individuals with a certain genotype that show a certain phenotype
|
|
|
Expressiviity
|
variation of the intensity of a phenotype
variation in the phenotype between individuals with the same genotype |
|
|
% individuals with a certain genotype that show a certain phenotype
|
persistence
|
|
|
the variation of the intensity of a phenotype
variation in the phenotype between individuals with the same genotype |
expressivity
|
|
|
More than one gene contributes to the phenotype
|
polygenic trait
|
|
|
polygenic trait
|
more than one gene contributes to the phenotype
|
|
|
phenomenon of gene interaction is that one gene masks (hides) the effect of another gene at a different locus
|
epistasis
|
|
|
epistasis
|
phenomenon of gene interaction is that one gene masks (hides) the effect of another gene at a different locus
|
|
|
epistatic gene
|
gene that does the masking
|
|
|
hypostatic gene
|
gene that gets masked
|
|
|
Human Genetics Obstacles
|
-no controlled mating - cant to testcrosses
-long generation time -low numbers of offspring |
|
|
Autosomal Recessive Inheritance. characterize it.
|
Appears equally in males & females
Only homozygotes show trait Trait may skip a generation |
|
|
Appears equally in males & females
Only homozygotes show trait Trait may skip a generation This characterizes: |
Autosomal Recessive Inheritance.
|
|
|
Autosomal Dominant Inheritance. characterize it.
|
Appears equally in males & females
Always inherited from an affected individual Trait does not skip generations |
|
|
Appears equally in males & females
Always inherited from an affected individual Trait does not skip generations This characterizes: |
Autosomal Dominant Inheritance. characterize it.
|
|
|
X- Linked Recessive Inheritance. characterize it.
|
Appears mostly in males
Always inherited from the mother Trait may skip a generation |
|
|
Appears mostly in males
Always inherited from the mother Trait may skip a generation This characterizes: |
X- Linked Recessive Inheritance.
|
|
|
X- Linked Dominant Inheritance. characterize it.
|
Appears in males and females
Inherited from the mother or the father, but fathers never pass it to sons Trait does not skip generations |
|
|
Appears in males and females
Inherited from the mother or the father, but fathers never pass it to sons Trait does not skip generations This characterizes: |
X- Linked Dominant Inheritance.
|
|
|
Y-Linked Inheritance. characterize it.
|
Appears only in males!
Trait does not skip generations |
|
|
Appears only in males!
Trait does not skip generations This characterizes: |
Y-Linked Inheritance
|
|
|
Waardenburg syndrome. describe
|
an autosomal dominant type of deafness that may be accompanied by fair skin, a white forelock, and visual problems
|
