Biology End of Year Flashcards
1
Q
What is an allele
A
A variation of a gene, such as different eye colour.
2
Q
What does homozygous recessive look like on a punnet square
A
yy (two lowercase letters)
3
Q
What does homozygous dominant look like on a punnet square
A
YY (two capital letters)
4
Q
What is a gene
A
A section of DNA that encodes for a certain trait
5
Q
What does a heterozygous look like on a punnet square
A
Yy (two different case letters)
6
Q
what are the Mendelian principles
A
Law of Dominance, law of segregation, law of independent assortment
7
Q
What is a phenotype
A
Physical characteristics that are dominant
8
Q
What is a genotype
A
Recessive characteristics that are carried but not shown
