What characteristics make an organism a good candidate for Mendelian studies?
What will be an ideal response?
Mendelian studies are based on the probability and statistical analyses of progeny phenotypes. Therefore, the candidate organism should be reach maturity and reproductive age fairly quickly, and should produce many offspring
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Which one of the following is not characteristic of prokaryotic genomes?
A) gene arranged in operons B) distinct replication site C) presence of introns D) may have histone-like proteins associated with the chromatin E) found in the nucleoid
Which of the following processes occurs first in the
adjustment of body-fluid volume? a. An inactive protein is converted into angiotensin. b. Distal tubules and collecting ducts reabsorb more sodium and water. c. Target cells secrete aldosterone. d. Receptors in walls of the heart detect a drop in blood pressure. e. Renin is secreted by cells within the kidneys.
The acidic nature of the fluid around active tissue is the result of ____
a. falling levels of oxygen b. falling DPG levels c. rising levels of carbon dioxide d. increased iron concentration e. increased blood pressure
___________ is a master regulator gene whose mRNA product accumulates at one end of a fly egg, resulting in a concentration gradient of the protein product after fertilization.
Fill in the blank(s) with the appropriate word(s).