Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
explain in detail about gene therapygene therapy technology as a whole has yet to be proven and its meeting a number of stumbling blocks so may have
what is gene therapygene therapy targets non germ line cells ie somatic cells so will not directly affect gene poolthe frequency of the allele for
explain about chthalamusthe realised niche of chthalamus is reduced from its fundamental niche and it is limited to the upper tidal zonelower
explain balanus the realised niche of balanus is the same as its fundamental niche lower limits as for fundamental nicheupper limits as
although there are differences in interpretation of the evidence it is generally accepted that human biological evolution has not been a linear
casein is the main protein in milk there are three types of casein one of which is beta casein beta casein comes in two main variants called a1 and
evolution of migrationeg benefits associated with migratory flights must be greater than those associated with staying in alaska and having to
what are the risks of migrationeg getting lost blown off course or similar and the effect of this when there is a limited fuel supply insufficient
what are the benefits of migrationeg need to leave alaska due to harsh weather conditions statement that birds are escaping nz winter not acceptable
biological mechanisms annual rhythm innate behaviour pattern stimulated by environmental cues shortened day length is the cue for preparation -
describe different animal groupsa could comprehensively compare and contrast the behaviours exhibited by social
explain the concept of selective breedinga understood the concept of selective breeding andor were
sympatric or allopatric speciationsympatrythe development of new species within a population two hebe sp living in the same location but with
adaptive radiation or convergence adaptive radiationexplanation of the adaptive radiation process linked to the introduction of a single species and
llustrate the role of each area in the evolution of the hebeuses appropriate examples from the hebe data to illustrate the role of each areaconcept
explain cooperative behaviours of social animal group group living specialist roles eg bees ants altruism eg social insects meerkats group defence
explain the competitive behaviour of social animal group dominance behaviours removal of individuals to other groups which minimises inbreeding eg
examples of cloning and molecular biology cloning may produce heterozygous individuals as mother was heterozygous and suggests a way to get pure
molecular biology - transgenesis difficult to successfully insert the gene then successfully re-implant embryo possible pleiotropic effects low
similarities in cloning and selective breeding cloning not transgenesis and selective breeding both transfer whole genome both selective
what is cloningcloning somatic ie 2n cell from original female cat removed nucleus has mutated allele fertilised egg extracted from another cat
molecular biology transgenesis pro-nuclear injection of isolated gene into fertilised egg cell cell divides to form embryo then embryo implanted into
explains how selective breeding methods could be used to produce a population of cats with the short legsselective breeding e1 bases explanation on
explain insect resistant crops in evolutionary way insects are a natural selection pressure so plants resistant to certain insects could have an
explain herbicide tolerant crops in evolutionary way increased use of herbicide can result in increase in development of weed resistance to that