B1h Part 2 Inheritance Flashcards
1
Q
Dominant alleles
A
Always expressed when present
2
Q
Recessive alleles
A
Only expresses if there is no dominant allele
3
Q
2 alleles the same
A
Homozygous
4
Q
2 different alleles
A
Heterozygous
5
Q
Monohybrid cross
A
Used to predict the probabilities in the offspring of the next generation
6
Q
Genetic variation
A
Mutations
Gamete formation
Fertilisation
7
Q
Inherited disorders
A
Faulty alleles cause this
Knowledge of disorders in families can raise issues(stay pregnant??)
E.g. Sickle cell anemia (iron deficiency)
Cistic fibrosis
Red green colour blindness
8
Q
Alleles
A
Different versions of the same gene
