91157 Genetic Variation and Change - Home Use
91157 Genetic Variation and Change - Home Use
LearnWell Digital
This version of the resource is for home use. Students work independently through the resource. If you are a teacher, you should purchase the school use version.
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This resource covers the things you need to know and be able to do for the NCEA Level 2 Achievement Standard 91157 (Biology 2.7) Demonstrate understanding of genetic variation and change.
What you'll learn
In this resource you’ll learn about:
- Genetic biodiversity - gene pools and allele frequencies
- Mutations as sources of new alleles
- Meiosis - independent assortment, segregation, crossing over
- Sex chromosomes and karyotype
- Monohybrid inheritance - complete dominance, incomplete dominance, co- dominance, multiple alleles, lethal alleles
- Dihybrid inheritance - complete dominance
- Effect of linkage and crossing over on dihybrid inheritance
- Natural selection
- Mutations
- Migration
- Genetic drift, founder effect, bottleneck effect.
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The life cycle of flowering plants.
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