Genetics
Where do men get their X chromosome from?
Their mother
The change in frequency of alleles in a population due to random chance is called:
Genetic drift
What is the interaction where one species benefits while the other experiences neither gains nor loses?
Commensalism
Food passes from the pharynx to the stomach via this straight muscular tube:
Esophagus
The typical photosynthetic structure of a plant is the:
Leaf
Trisomy 21, a condition where a person has an extra copy of chromosome 21 is also called this syndrome:
Down syndrome
You’ve heard of Darwin, but who was the other person who also thought of the theory of natural selection?
Alfred Russel Wallace
The timing of important events along an organism’s existence is called:
Life history
The pineal gland secretes this hormone that helps regulate sleep:
Melatonin
The main water-conducting tissue of a plant is the:
Xylem
This large complex removes introns during post-transcriptional modification to pre-mRNA:
Spliceosome
The equation for the Hardy-Weinberg Equilibrium principle is given as:
p2+2pq+q2=1
What is the name of a model frequently used to describe predator-prey relationships?
Lotka-Volterra
Name the four major lobes of the cerebral cortex:
Parietal, occipital, temporal, frontal
The spatial separation of cells in a C4 plant in order to make Rubisco more efficient is often referred to as:
Kranz Anatomy
The two ways histones can be modified in epigenetic silencing are through acetylation and:
Methylation
DAILY DOUBLE
What geological time period did most existing animal phyla on earth first appear?
Cambrian Period
What is the ecological cataclysm in the USA?
Dust bowl
In humans this organ separates the thoracic cavity from the abdominal cavity:
Diaphragm
The reproductive generation of bryophytes is called:
The sporophyte
The remnants of this kind of virus led to the gag and pol coding regions in certain types of transposons:
Retrovirus
Balancing selection maintains allelic variation in a population through two forms of selection: negative frequency-dependent selection and...
Heterozygote advantage
The acid that mostly contributes to acid rain:
Sulfuric acid
What equation is used to determine the measure of O2 transfer at the gas exchange site?
Fick's law/Fick's equation
Expression of both B and C genes in the ABC model for floral development in angiosperms gives rise to this structure:
Stamens