AQA A level Biology topic 7 Latest 2023 Graded A+
What is a dominant allele? Allele which is always expressed in the phenotype even when theres only one copy of it What are recessive alleles? Alleges that only appear in the phenotype if 2 copies are present What are codominant alleles? Alleles that are both expressed in the phenotype because neither one is recessive If an organism carries two copies of the same allele it said to be ........ Homozygous at the locus If an organism carries two different alleles it is said to be...... Heterozygous at that locus What is mono hybrid inheritance? Inheritance of a characteristic controlled by a single gene
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