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Asexual vs Sexual

QuestionAnswer
Which type of reproduction is favoured in narrow stable niches Asexual reproduction
Give 2 costs of sexual reproduction 1. disrupts successful parental genomes 2. only 50% of parental genome passed on 3. males cannot produce offspring
Which type of reproduction can produce colonies of unlimited size Asexual reproduction
Give 2 benefits of asexual reproduction 1. Rapid production of offspring 2,
Give a benefit of sexual reproduction in high parasite areas. increases variation to adapt to parasites
Give a cost of asexual reproduction No variation to adapt to parasites
In which type of reproduction is the whole genome passed from parent to offspring Asexual reproduction
Give an example of asexual reproduction 1. vegetative propagation 2. parthenogenesis
Define parthenogenesis Producing an offspring for an unfertilised egg
State the 2 environmental conditions when parthenogenesis is more common 1. cooler climates 2. lower parasite density/diversity
Offspring produced by parthenogenesis are haploid or diploid. haploid
Name 1 way asexually reproducing only populations can have some genetic variation 1. horizontal gene transfer 2. random mutations
Explain which type of reproduction is favoured by plants when recolonising disturbed habits Asexual reproduction to allow rapid increase in colony size.
Explain why parthenogenesis is more common in cooler climates. lower parasite density less variation needed to adapt to parasites.
Explain the importance of genetic variation. Provides the raw material required for adaptation to parasite in Red Queen arms race to better survive under changing selection pressures
Created by: brightminds
 

 



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