A5-Genetic variation Flashcards
What is a zygote?
cells produced when the sperm fertilises it contains genetic material for a new individual
What is a gamete?
It is a reproductive or sex cell
What is a heterozygous?
Each allele is different (Hh) dominant always first
What is a homozygous recessive (hh)
when both alleles are the same and reccessive
What is homozygous dominant (HH)
When both alleles are dominant
What is a gene?
The unit of heredity on a pair of chromosomes
Give a description of a punnet square?
A punnet square is a diagram used to determine the probability of an offspring having a particular genotype
What is a allele
It is half a gene or the location of characteristics on one chromosomes
What is a phenotype
The outward display of characteristics that is observable
What is a genotype
An individual genes that is not outwardly observable or the identification of alleles an individual inherits
