Heterochrony
- Created by: rosieevie
- Created on: 08-11-18 13:34
Other questions in this quiz
2. Which type of fish exhibits heterochronic shifts in the expression of opsin genes depending on species
- Flatfish
- Zebra
- Tilpia
- Moray eels
3. Define heterochrony
- Evolutionary change in the size, amount or concentration of a 'thing'
- Evolutionary change in developmental timing
- Evolutionary change in the spatial arrangement of development
- Evolutionary change of a 'thing' produced
4. What is peramorphosis?
- When the rate of development is unchanged but total development time is extended, permitting the addition of new stages to the end of the ancestral development sequence
- Development cut short by early maturity and adult resembles juvenile stages of the ancestor
- The development of additional traits past adulthood and new developmental stages are added to the lifecycle
- When the developmental process begins later
5. What is the term used to describe the variation in frequency of different genotypes in a small population, owing to chance disappearance of particular genes as individuals die/don't reproduce?
- Genetic bottleneck
- Genetic drift
- Genetic variation
- Heterotypy
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