Explain how to use a test cross to identify an unknown genotype
Explain how to use a test cross to identify an unknown genotype
1 Answer
Questions and Answers For
IGCSE Biology
322 Questions
1 Answer Use Punnett squares in crosses which result in more than one genotype to work out and show the possible different genotypes
Use Punnett squares in crosses which result in more than one genotype to work out and show the possible different genotypes
1 Answer Use genetic diagrams to predict the results of monohybrid crosses and calculate phenotypic ratios, limited to 1:1 and 3:1 ratios
Use genetic diagrams to predict the results of monohybrid crosses and calculate phenotypic ratios, limited to 1:1 and 3:1 ratios
1 Answer Interpret pedigree diagrams for the inheritance of a given characteristic
Interpret pedigree diagrams for the inheritance of a given characteristic
1 Answer Describe a recessive allele as an allele that is only expressed when there is no dominant allele of the gene present in the genotype
Describe a recessive allele as an allele that is only expressed when there is no dominant allele of the gene present in the genotype
1 Answer Describe a dominant allele as an allele that is expressed if it is present in the genotype
Describe a dominant allele as an allele that is expressed if it is present in the genotype
1 Answer State that a heterozygous individual will not be pure-breeding
State that a heterozygous individual will not be pure-breeding
1 Answer Describe heterozygous as having two different alleles of a particular gene
Describe heterozygous as having two different alleles of a particular gene
1 Answer Describe homozygous as having two identical alleles of a particular gene
Describe homozygous as having two identical alleles of a particular gene
1 Answer Describe phenotype as the observable features of an organism
Describe phenotype as the observable features of an organism
1 Answer
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