Comparing Samples

1 Annotation 1
Describes roles of genes, chromosomes and DNA in genetic inheritance 2 Annotation 2
Explains what alleles are and describes their role in fertilisation 3 Annotation 3
Describes Gregor Mendel’s experiments on inheritance and his discovery of dominant and recessive traits 4 Annotation 4
Describes the use of Punnett squares

1 Annotation 1
Formulates qualitative hypothesis supported by scientific reasoning based on knowledge of dominant traits 2 Annotation 2
Lists materials and experimental steps used in investigation

1 Annotation 1
Displays class and year group results in tables

1 Annotation 1
Summarises numerical results from tables 2 Annotation 2
Describes theoretical distribution of phenotypes in F1 generation predicted by dihybrid Punnett square analysis 3 Annotation 3
Displays dihybrid Punnett square of F1 generation genotypes 4 Annotation 4
Describes predicted genetic makeup of F2 generation in terms of homo- and heterozygosity highlighting a limited understanding of those terms 5 Annotation 5
Displays dihybrid Punnett square of F2 genotypes and resulting distribution of phenotypes

1 Annotation 1
Compares year group distribution of F2 phenotypes with theoretical prediction 2 Annotation 2
Concludes close agreement of year group results and theoretical results 3 Annotation 3
Suggests valid improvements of given experiment 4 Annotation 4
Draws conclusion specific to given experimental conditions 5 Annotation 5
Provides short list of sources used to research topic of investigation

1 Annotation 1
Describes roles of genes, genome, chromosomes, histones and DNA in genetic inheritance 2 Annotation 2
Describes the roles of gametes and zygotes in mammalian reproduction 3 Annotation 3
Explains how Gregor Mendel discovered laws of inheritance through mathematical analysis of inheritance patterns 4 Annotation 4
Explains in detail Mendel’s three laws of inheritance

1 Annotation 1
Explains in detail how Punnett squares are used to predict outcomes of a crossbreeding experiment 2 Annotation 2
Formulates quantitative hypothesis supported by theoretical prediction from dihybrid Punnett square analysis 3 Annotation 3
Lists materials and experimental steps used in investigation

1 Annotation 1
Displays class and year group results in tables

1 Annotation 1
Shows photographic evidence of group results 2 Annotation 2
Compares actual with theoretical results 3 Annotation 3
Displays dihybrid Punnett square of F1 generation genotypes, including resulting phenotypes 4 Annotation 4
Explains notation used to represent dihybrid genotypes

1 Annotation 1
Explains how dihybrid Punnett square predicts distribution of genotypes and phenotypes of F1 generation 2 Annotation 2
Compares theoretical with actual results of F1 generation 3 Annotation 3
Infers possible cause for discrepancy between actual and theoretical results through deductive reasoning 4 Annotation 4
Displays dihybrid Punnett square of F2 genotypes, including resulting phenotypes 5 Annotation 5
Explains theoretically predicted distribution of F2 phenotypes in terms of probabilities 6 Annotation 6
Compares year group distribution of F2 phenotypes with theoretical prediction 7 Annotation 7
Indicates possible genotypes for each phenotype 8 Annotation 8
Concludes close agreement of year group results and theoretical results, acknowledging larger sample size than in class results 9 Annotation 9
Suggests valid improvement and possible extensions of given experiment

1 Annotation 1
Draws general conclusion implicitly acknowledging validity of Mendelian genetics 2 Annotation 2
Provides extensive list of sources used to research topic of investigation

1 Annotation 1
Describes roles of genes, chromosomes and DNA in genetic inheritance 2 Annotation 2
Explains what alleles are and describes their role in fertilisation 3 Annotation 3
Describes Gregor Mendel’s experiments on inheritance and his discovery of dominant and recessive traits 4 Annotation 4
Describes the use of Punnett squares

1 Annotation 1
Formulates qualitative hypothesis supported by scientific reasoning based on knowledge of dominant traits 2 Annotation 2
Lists materials and experimental steps used in investigation

1 Annotation 1
Displays class and year group results in tables

1 Annotation 1
Summarises numerical results from tables 2 Annotation 2
Describes theoretical distribution of phenotypes in F1 generation predicted by dihybrid Punnett square analysis 3 Annotation 3
Displays dihybrid Punnett square of F1 generation genotypes 4 Annotation 4
Describes predicted genetic makeup of F2 generation in terms of homo- and heterozygosity highlighting a limited understanding of those terms 5 Annotation 5
Displays dihybrid Punnett square of F2 genotypes and resulting distribution of phenotypes

1 Annotation 1
Compares year group distribution of F2 phenotypes with theoretical prediction 2 Annotation 2
Concludes close agreement of year group results and theoretical results 3 Annotation 3
Suggests valid improvements of given experiment 4 Annotation 4
Draws conclusion specific to given experimental conditions 5 Annotation 5
Provides short list of sources used to research topic of investigation