what are the male and female gametes called and where are the produced ?

how are identical twins formed ?

how are non - identical twins formed?

Give 2 examples of genetic variation

give an examples of environmental variation

What is the hereditary material and where is it found ?

What are chromosomes ?

How many chromosomes are found in a human body cell

What is a gene?

How are chromosomes arranged ?

What is an allele ?

Which allele is always expressed and which do you need 2 copies of to be expressed ?

What sex chromosomes are carried by the male and female

who determines the sex of the baby

Are most genetic disorders found on recessive alleles or dominant ones

If B is the allele for Brown eyes and b is the allele for blue eyes , which combination of alleles would be needed for a person to have blue eyes

what is a persons genotype?

what is a persons phenotype?

what is cystic fibrosis and is it recessive or dominant?

What is Huntingtons and is it dominant or recessive ?

what is sickel cell anaemia and is it dominant or recessive?

Draw a genetic diagram to the genetic make up of the offpring of a male parent with the genotype Cc and female with genotype Cc

Draw a genetic diagram to show that the percentage chance of 2 parents producing male or female offspring is 50%