Edexcel B Origins of Genetic Variation

Welcome to your Edexcel B Origins of Genetic Variation

MN blood groups of humans are examples of
A recessive allele is only expressed when
A recombination frequency of 0.5 indicates
The chromosomes which are not autosomes are
Haemofilia vectors are
An example of continuous variation.
In Siamese cats, dark hair develops where the skin is at relatively low temperature. This is an example of
Where more than one gene controls inheritance of a character, it is called
The DNA sequences of human and chimpanzees share about
Calculation of allele frequency requires