B5.1f explain some of the SB3a sexual and asexual 50, 51  advantages and disadvantages of reproduction asexual and sexual reproduction in a range of organisms B5.1g explain the terms haploid SB1c specialised cells 8, and diploid SB2a mitosis 30, SB3b meiosis 52, B5.1h explain the role of meiotic SB3b meiosis 53 cell division in halving the chromosome number to form gametes B5.1i explain single gene SB3h inheritance 66, 67 inheritance B5.1j predict the results of single SB3h inheritance 66, 67 gene crosses B5.1k describe sex determination SB3h inheritance 66 in humans using a genetic cross B5.1l recall that most phenotypic SB3i multiple and missing 68, 69 features are the result of multiple alleles genes rather than single gene inheritance B5.1m describe the SB3f Mendel 62, 63  development of our understanding of genetics BM5.1i understand and use direct SB3h inheritance 66 proportions and simple ratios in genetic crosses BM5.1ii understand and use the SB3h inheritance 66 worked example concept of probability in predicting the outcome of genetic crosses BM5.1iii extract and interpret SB3h inheritance 66, 67 information from charts, graphs and tables B5.2 Natural selection and evolution B5.2a state that there is usually SB3g alleles 64, although never extensive genetic variation within 78 explicitly stated SB4b Darwin’s theory a population of a species B5.2b describe the impact of SB4d classification 82, 83 Artificial and natural developments in biology on classification not classification systems mentioned specifically. Impact of developments not actually found B5.2c explain how evolution 78, 79 natural selection due SB4b Darwin’s theory occurs through the natural to genetic variation selection of variants that have (not mutation) given rise to phenotypes best suited to their environment B5.2d describe evolution as a 78, 79 SB4b Darwin’s theory change in the inherited characteristics of a population over time, through a process of natural selection, which may result in the formation of new species
B5.1f  explain some of the advantages and disadvantages of asexual and sexual reproduction in a range of organisms SB3a sexual and asexual reproduction 50, 51 B5.1g explain the terms haploid and diploid SB1c specialised cells SB2a mitosis SB3b meiosis 8, 30, 52, B5.1h explain the role of meiotic cell division in halving the chromosome number to form gametes SB3b meiosis 53 B5.1i explain single gene inheritance SB3h inheritance 66, 67 B5.1j predict the results of single gene crosses SB3h inheritance 66, 67 B5.1k describe sex determination in humans using a genetic cross SB3h inheritance 66 B5.1l recall that most phenotypic features are the result of multiple genes rather than single gene inheritance SB3i multiple and missing alleles 68, 69 B5.1m  describe the development of our understanding of genetics SB3f Mendel 62, 63 BM5.1i understand and use direct proportions and simple ratios in genetic crosses SB3h inheritance 66 BM5.1ii understand and use the concept of probability in predicting the outcome of genetic crosses SB3h inheritance 66 worked example BM5.1iii extract and interpret information from charts, graphs and tables SB3h inheritance 66, 67 B5.2 Natural selection and evolution B5.2a state that there is usually extensive genetic variation within a population of a species SB3g alleles SB4b Darwin’s theory 64, 78 although never explicitly stated B5.2b describe the impact of developments in biology on classification systems SB4d classification 82, 83 Artificial and natural classification not mentioned specifically. Impact of developments not actually found B5.2c explain how evolution occurs through the natural selection of variants that have given rise to phenotypes best suited to their environment SB4b Darwin’s theory 78, 79 natural selection due to genetic variation (not mutation) B5.2d describe evolution as a change in the inherited characteristics of a population over time, through a process of natural selection, which may result in the formation of new species SB4b Darwin’s theory 78, 79
470132-switching-to-ocr-gcse-9-1-biology-a-from-pearson-edexcel-.docx