Fahrenholz's rule is supported when: comparison of phylogenies for host and parasite show a correlated pattern of evolution
<h3>What is Fahrenholz's rule ?</h3>
The close correspondence is observed between the taxonomy of parasites and their hosts and this has led to Fahrenholz's rule. This rule postulates that parasites and the hosts speciate in synchrony.
This leads to a prediction that phylogenetic trees of parasites and their hosts are topologically identical.
when the only events in the process of reciprocal natural selection in the host and parasite lineages were those of contemporaneous speciation in both the lineages then host and parasite phylogenies are fully congruent, hence supporting Fahrenholz'srule.
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The answer is C Heterozygous
Explanation: the inability to roll your tongue is a recessive trait. Since both parents are heterozygous, they carry that recessive gene, so their child will have a 25% chance of having that recessive trait; and therefore, unable to roll their tongue.
DNA: adenine pairs with thymine
RNA: adenine pairs with uracil
Answer:
b.Steady state
Explanation:
When a drug is in a steady state is usually defined as the time during which the drug remains stable when administered repeatedly or continuously (IV infusion) - this is the state where the rate of the drug entering the systemic circulation or drug administration equals to its rate of elimination out of the system. In the case where a drug is administered multiple times in fixed intervals the plasma concentration increases till it plateaus. This administration pattern will result in a steady-state concentration which is intended to be within the therapeutic window
