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WorksheetsBIO1110 Unit 4
Total questions: 16
Worksheet time: 6mins
After gel electrophoresis, where will you find the smallest fragments of DNA?
Closest to the wells
Farthest away from the wells
In the middle
What makes up the smallest portion of the human genome?
Introns
Protein-coding exons
Transposable elements
Telomeres
What is the technique used to cure diseases with genome modifications?
Tissue modification
Plasmid recombination
Medical genetics
Gene therapy
Which is reversible in a developing cell?
Commitment
Determination
Why is apoptosis an important part of development specifically?
It removes cancerous cells
It removes the "scaffolding" cells used to form other structures
It removes any remaining embryonic stem cells
Apoptosis is not important to development
What forms concentration gradients in a developing organism?
Induced pluripotent cells
Meristems
Sonic Hedgehog genes
Morphogens
What is a change in allele frequencies of a population?
Evolution
Natural selection
Acclimatization
Fitness
Embryos of different species displaying the same features during development is an example of...
Development homology
Structure homology
DNA homology
Zygotic homology
If there is no Mutation, Natural selection, Gene flow, Genetic drift, or Non-random mating...
Evolution is occurring
The allele frequency remains the same
Hardy-Weinburg is not at equilibrium
Sexual selection is a form of...
Random mating
Non-random mating
Genetic drift
Balancing selection
A selection event has favored birds with white and birds with black feathers, while individuals with grey feathers have mostly died off. This is an example of...
Directional selection
Stabilizing selection
Disruptive selection
Balancing selection
A hurricane has knocked out 2/3 of a population of sand crabs. This is an example of...
The founder effect
A population bottleneck
Gene flow
There are 2 populations of beetles living on a tree. One population breeds in the upper branches. The other breeds at the root flare (bottom). This prevents interbreeding. This is an example of...
Prezygotic isolation
Postzygotic isolation
What are the 2 ways allopatric speciation can begin?
Dispersal
Autopolyploid
Allopolyploid
Vicariance (physical splitting)
What type of Species concept cannot be applied to fossils or asexual organisms?
Biological
Morphospecies / Morphological
Phylogenetic
Guide RNA bound to the CAS9 enzyme forms what editing system?
CRISPR gene editing
Plasmid gene editing
Restriction endonuclease editing system
Viral editing system
