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Genetics Study Guide
| Term | Definition |
|---|---|
| What is a chromosome? | a thread like structure of nucleic acids and proteins containing genetic information |
| What is a karyotype? | the number/visual appearance of a chromosome in the cell of an organism |
| Define Heredity? | the passing on of physical/mental traits genetically from one to another |
| What is the P generation? | the start of Mendel's work on inheritance |
| What is the F1 generation? | the first of the offspring with distinctively different parental types. |
| What is the F2 generation? | |
| What did Mendel find in hi studies breeding pea plants? | |
| What does it mean for a trait to be dominant? | |
| What does it mean for a trait to be recessive? | |
| What is a gene? | |
| What did Mendel call genes? | |
| What is an allele? | |
| What does it mean for alleles to be dominant or recessive? | |
| What does it mean for an allele to be heterozygous dominant? | |
| Is it possible to be heterozygous recessive? | |
| What is a phenotype? Provide an example | |
| What is a genotype? Provide an example | |
| Explain the purpose of a Punnett square? | |
| How can a Punnett square's probability be represented? | |
| What I Mendel's law of segregation? | |
| What is Mendel's law of independent assortment? | |
| What is dihybrid cross? *Know how to set up a dihybrid cross *Know how to figure out the possible gamete combinations from a parent's genotype? | |
| What is incomplete dominance? What will an incomplete dominant phenotype look like? Provide an example | |
| How can the environment influence gene expression? | |
| What is codominance? What will the phenotype look like? Provide an example | |
| What are the different human blood types? | |
| What are the possible genotypes for each blood type? | |
| What does it mean for a trait to be sex linked? | |
| What is the difference between sex chromosomes and autosomal chromosomes? | |
| What sex chromosomes do males have? What sex chromosome do females have? | |
| What is nondisjunction? What types of problems can it cause? | |
| What is a pedigree? What can it be used for? | |
| Summarize how mutations influence traits. |