Heredity Students' Notes

Heredity Students' Notes
Heredity Students' Notes
Heredity Students' Notes
Heredity Students' Notes
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At the end of this set of notes your students will be able to:
•define a gene as a unit of inheritance and distinguish clearly between the terms gene and allele
•explain the terms dominant, recessive, homozygous, heterozygous, phenotype and genotype
•predict the results of simple crosses with expected ratios of 3:1 and 1:1, using the terms homozygous, heterozygous, F1 generation and F2 generation
•explain why observed ratios often differ from expected ratios, especially when there are small numbers of progeny
•describe the determination of sex in humans - XX and XY chromosomes
•describe mutation as a change in the structure of a gene such as in sickle cell anaemia, or in the chromosome number, such as the 47 chromosomes in a condition known as Down Syndrome
•name radiation and chemicals as factors which may increase the rate of mutation
•describe the difference between continuous and discontinuous variation and give examples of each

Consists of practice questions for students to try their hand at solving heredity problems using genetic diagrams. Please contact the author with your email address for answers to the practice questions.
Total Pages
11
Answer Key
Not Included
Teaching Duration
1 Week

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Heredity Students' Notes
Heredity Students' Notes
Heredity Students' Notes
Heredity Students' Notes