Biology Questions
Explore questions in the Biology category that you can ask Spark.E!
________ ______ is always assumed to lead to extinction because of larger energetic needs
The larger the fitness cost for A2 the _______________ the probability that the allele A1 becomes fixed
In directional selection, the favored allele will ____________ _________________ in the population
Genetic diversity among offspring _______________ the changes for some of them to survive challenging environment
Methylation is higher in ___________ embryos than __________
Fossils represent the age at which an organism was very _____________
____________________ selection will create linkage between the two traits: offspring will be choosy females and ornate males
________________ will lead to combinations of alleles that are unfit for either environment
Assortative mating can lead to ____________ _____________
The _________ the s is in the maladaptive allele the _________ the beneficial allele will reach fixation
Selection and drift led to ______________
Gene expression can lead to the _____________ of soma and germ line in multicellular groups
Cause of the __________ is a fast release of huge amounts of CO2
After mass extinctions there is a lag period where diversity is ________
Duplications of ___________ _____________ have allowed increasing the complexity of organisms
___________ ___________ function as a transcription factor
Open ecological opportunities means potential for speciation species _______________ has no effect on the probability of extinction
_________________ genes are the equivalent of hox genes of plants
Traits passed onto offspring were thought to be _________________ phenotypes and beneficial traits would be _________ to blending (previous thoughts)
Permian extinction: __________ of marine species and __________ of terrestrial species went extinct