Year9-Genetics Flashcards
1
Q
What are alleles?
A
Different forms of the same gene
2
Q
How many genes are inherited from you father and mother?
A
1 set from both
3
Q
What is a dominant allele?
A
Only needs one allele to be expressed as a phenotype
4
Q
What is a recessive allele?
A
2 recessive alleles in order to be expressed as phenotype
5
Q
How do you predict alleles of a child?
A
A punett square
6
Q
How many copies of each gene can a sperm and egg have?
A
Only 1 unlike a human which has 2 because the sperm and egg join together.
