Paper 1: Genetic Terms Flashcards
1
Q
How is a zygote formed?
A
Gametes fusing at fertilisation
2
Q
What alleles do zygotes inherit?
A
Different alleles from parents
3
Q
What is the definition of heterozygous?
A
having two different versions of the same gene
4
Q
What is the definition of homozygous?
A
having inherited the same versions (alleles) of a genomic marker from each biological parent
5
Q
What does the genotype show?
A
That alleles in the individual
6
Q
How many alleles does each characteristic have?
A
2
7
Q
What does phenotype mean?
A
The characteristics that are produced
8
Q
What is the affect of a dominant allele?
A
It will show when at least one copy is present in the geonotype
