B2 5.4 From Mendel to DNA 0.0 / 5 ? BiologySimple inheritance in animals and plantsGCSEAQA Created by: Eleanor KingstonCreated on: 02-11-13 16:02 What is Homozygous? An individual with two identical alleles for a characteristic 1 of 11 What is Heterozygous? An individual with different alleles for a characteristic 2 of 11 What is Dominant? A characteristic that will show up in the offspring even if only one of the alleles is inherited 3 of 11 What is Recessive? A characteristic that will show up in the offspring if only both of the alleles are inherited 4 of 11 What did Gregor Mendel realise from his work with peas? That some characteristics were dominant over others and that they never mixed together 5 of 11 Why did no one believe in Mendel's theories? No one knew of genes or chromosomes at the time 6 of 11 How did the invention of the microscope help prove Mendel was right? People could see chromosomes through it 7 of 11 What chemicals are DNA made from? Bases 8 of 11 What does the order of bases determine? The order of amino acids in a protein 9 of 11 How many bases are there for one amino acid? 3 10 of 11 How can we identidy individuals using their DNA? Through a process called DNA fingerprinting 11 of 11
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