A chromosome may contain one or two chromatids in different phases of the mitotic or meiotic cell cycle
Indicate whether the statement is true or false
TRUE
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In QTL mapping, the parental strains are crossed and the F1 generation backcrossed to which of the following?
A. The F2 generation B. The parental generation C. A strain that is homozygous recessive for all markers D. A wild-type organism
New genetic variations sometimes become more common within populations because ____
a. most parts of the genome are non-coding and available for selection b. proteins can be "recruited" for advantageous function c. the resulting proteins are advantageous and selected for by nature d. adaptation occurs rapidly in the few species that have survived through time e. mutations are able to select against genetic variations that had disadvantageous function
Which enzyme(s) is/are responsible for excising and copying transposable genetic elements from chromosomes and inserting them into new locations?
What will be an ideal response?
The concentration of H+ ions inside the mitochondrial matrix is lower than it is in the cytosol or the mitochondrial intermembrane space
What would be the immediate effect of a membrane-permeable compound that carries and releases protons into the mitochondrial matrix? (a) inhibition of the electron-transport chain (b) inhibition of ATP synthesis (c) increased import of ADP into the matrix (d) inhibition of the citric acid cycle