5 Written Questions
5 Matching Questions
- second filial generation (F2)
- heterogametic sex
- natural selection
- product rule
- a The differential rate of reproduction of different types in a population as the result of different physiological, anatomical, or behavioral characteristics of the types.
- b In a fungus, a sac that encloses a tetrad or an octad of ascospores.
- c The progeny of a cross between two individuals from the F1 generation.
- d The probability of two independent events occurring simultaneously is the product of the individual probabilities.
- e The sex that has heteromorphic sex chromosomes (e.g., XY) and hence produces two different kinds of gametes with respect to the sex chromosomes.
5 Multiple Choice Questions
- The inheritance pattern of genes found on the Y chromosome but not on the X chromosome (rare).
- A member of a pair of homologous chromosomes.
- The transfer of electrophoretically separated fragments of DNA from a gel to an absorbent sheet such as paper; this sheet is then immersed in a solution containing a labeled probe that will bind to a fragment of interest.
- The inheritance pattern of genes found on the X chromosome but not on the Y chromosome.
- The classical approach to genetic analysis, in which genes are first identified by mutant alleles and mutant phenotypes and later cloned and subjected to molecular analysis.
5 True/False Questions
maternal inheritance → A type of uniparental inheritance in which all progeny have the genotype and phenotype of the parent acting as the female.
genome → The fundamental physical and functional unit of heredity, which carries information from one generation to the next; a segment of DNA composed of a transcribed region and a regulatory sequence that makes transcription possible.
character → A cell in which meiosis takes place.
telomere → A cell in which meiosis takes place.
RNA (ribonucleic acid) → An RNA molecule transcribed from the DNA of a gene; a protein is translated from this RNA molecule by the action of ribosomes.