Expected phenotypic ratio of the offspring of a dihybrid cross
(AaBb x AaBb)
What is 9:3:3:1?
Organisms in an ecosystem that capture the sun's energy.
What are the producers?
A small ring of DNA outside of the main chromosome in a bacterial cell
What is a plasmid?
The name of Darwin's ship
What is the HMS Beagle?
Number of autosomes humans have in each cell
What is 22?
This happens in prophase I to introduce variation in gametes
What is crossing over?
Species in an ecosystem that plays a major role in determining community structure
What is a keystone species?
What does CRISPR stand for?
What is Clustered Regularly Interspaced Short Palindromic Repeats?
The smallest unit that can evolve
What is a population?
Term for an inactivated X chromosome in female cells
What is a Barr body?
Type of cross to determine the genotype of an organism who displays the dominant phenotype
What is a test cross?
This states that interspecific competition prevents two species from occupying the same niche
What is the competitive exclusion principle?
These are naturally occurring enzymes in bacterial, EcoR1 is an example
What are restriction enzymes?
This is the biological species concept that defines a species
What is a group of individuals that live in the same area, and are capable of interbreeding and producing viable, fertile offspring
These are spliced out of the mRNA transcript before heading to the ribosome for translation
What are introns?
Our example of an inducible operon
What is the lac operon?
Species interaction where one species benefits while the other is unaffected
What is commensalism?
Name for a virus that infects a bacteria
What is a bacteriophage?
Who is Alfred Russell Wallace?
Only nutrient cycle on Earth that does not use the atmosphere as a reservoir
What is the phosphorus cycle?
How many fruit flies perished by your hands?
What is all of them?
At the very least, these are the two trophic levels that need to be present for an ecosystem to function
What are producers and decomposers?
Enzyme produced by E.coli that breaks down the X-gal sugar
What is beta galactosidase?
A mule is an example of what reproductive isolating mechanism?
What is reduced hybrid fertility?
Animal that never gets cancer
What is the naked mole rat?