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Ch.2 Questions
ANP 202 Ch.2
| Front | Back |
|---|---|
| What does the DNA Molecule do? | It specifies the genetic code or set of instructions needed to produce biological structures. |
| Which related molecule does DNA act with, and why do they interact? | It interacts with RNA, and the purpose is to translate genetic instructions into proteins. |
| What is DNA stored in? | Chromosomes. |
| What is the name of a segment of DNA that codes for a certain product? | Gene. |
| What is the name for the different forms of genes present at a locus? | Alleles. |
| Does the DNA molecule have the ability to make copies of itself? | Yes. |
| What does DNA transmit? | Genetic information from cell to cell and from generation to generation. |
| What is Meiosis? | The process of sex cell formation that results in one of each chromosome pair being transmitted from parent to offspring. |
| Do you receive an equal amount of alleles from both of your parents, or do you get more from one or the other? | An equal amount. |
| What is genotype? | The genetic constitution of an individual. |
| What is phenotype? | The physical manifestation of the genotype. |
| What does the relationship between genotype and phenotype depend on? | Whether an allele is dominant, recessive, or codominant. |
| When is phenotype the result of the combined effect of genetics and environment? | In complex physical traits. |
| What is the ultimate source of all genetic variation? | Mutation. |
| Can mutations be something other than beneficial? | Yes, a mutation can be beneficial, it can be harmful, and it can be neutral. |
| What does the effect of any mutation often depend on? | Specific Environment conditions. |
| For any given allele, how often does a mutation occur? | A mutation in any given allele is rare. But, given the large number of loci in many organisms, it is highly probable that each individual has at least one mutant allele. |
| What is Mendelian Genetics? Who is it named after? | The science of genetic inheritance. Gregor Mendel. |
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