Biology Questions
Explore questions in the Biology category that you can ask Spark.E!
T or F: Genetic drift results in random loss of genetic variation
A C1C1 plant has purple flowers and is crossed to a C2C2 plant that has white flowers. Purple, pink, and white flowered plants are present in the next generation. What type of dominance is this?
Mean fitness tends to ________ under mutation
Mutations in somatic cells (which not heritable) are considered (mutations/not mutations)
What type of selection is occurring with pesticide resistance?
T or F: inbreeding impacts allele frequencies
Pure genetic drift emphasizes survival of the (fittest/luckiest)
In a population, the aabb genotype is deleterious and acted against by selection. How does this cause linkage disequilibrium?
What quality of mutations is necessary for evolution?
What did Buri's experiments show about the effect of drift-drift has no _________-evolution by drift _________ with time-causes _______ of genetic diversity-drift causes populations to ________ with time
T or F: inbreeding generates linkage disequilibrium
H = frequency of heterozygotes when the population is mating (randomly/assortively)
In complete dominance, the heterozygote phenotype resembles the _________________
T or F: It is only a mutation when there are actual changes in information content in the DNA, not when there is a change in how the DNA is expressed
______________ mating induces strong frequency dependent selection that maintains equilibrium
What were the basis of Darwin's and Wallace's theories? (hint: just 2 words)
Lamarkism was about the inheritance of _________________________ traits; what did it disprove and how?
the probability of recombination __________ with distance between loci, up to a maximum of _________
These are all examples of what evolutionary force:viabilitymating successfertilityfecunditygametic selectiongametic compatibility
In codominance, alleles have _________ effect on phenotype