6.2 - Patterns Of Inheritance. Flashcards
1
Q
What are 2 types of variation, and give examples?
A
Continuous - Fur length, Height
Discontinuous - Blood group
2
Q
What are alleles?
A
Different version of a gene ( Dominant or Recessive)
3
Q
What is variation effected by? And give examples.
A
Genetics: (Blood group)
meiosis ( Independent assortment, crossing over)
Random fusion of gametes
Environment: (Food)
These characteristics can change over a humans life
Both: (Height, Mass)
Most phenotypic variation is caused by a combination of gene type and environmental factors.
4
Q
What does codominant mean?
A
Alleles which are both expressed in the phenotype.
