Mutations can cause a permanent change in the DNA of an organism. In the 19th century Gregor Mendel determined rules to explain genetic inheritance using pea plants.
Which of these is a type of mutation?
Which scientist devised laws of inheritance?
What are alleles?
X-shaped lengths of DNA
A section of DNA that gives a characteristic
Alternative forms of the same gene
Which genotype is heterozygous?
Which of these is a correct pairing of DNA bases?
Which colour of eye is dominant?
What does heterozygous mean?
One dominant and one recessive allele
Two dominant alleles
Two recessive alleles
Who devised the theory of evolution by natural selection?
What percentage of offspring have blue eyes from a cross between two heterozygous parents?
What percentage of offspring have blue eyes from a cross between two homozygous dominant parents?