A population with zero growth is indicated by
a. A.
b. B.
c. C.
d. D.
e. none of these
C
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If you mate a donkey (2n = 62) with a horse (2n = 64) you get a mule. Mules are sterile and cannot produce gametes by meiosis because they
A. contain too few chromosomes. B. have an odd number of chromosomes. C. have an even number of chromosomes. D. contain too many chromosomes. E. lack genes that are essential for life.
Research other articles on Hormesis and homeopathy that both defend and refute the claims and discuss how you use critical thinking to form your opinion about these topics. Do anecdotal claims, that is, patients who report positive or negative results affect your decision? Do you rely more on scientific evidence or do both play a part?
What will be an ideal response?
If two alleles at a specific genetic locus on homologous chromosomes are different, they are (heterozygous/homozygous).
What will be an ideal response?
An osmosis investigation was conducted using chicken eggs to represent cells with semi permeable membranes. The mass of each egg was measured to determine how much water diffused into or out of the eggs. The eggs were first soaked in vinegar to dissolve the shell. Each egg was then placed in one of three different solutions for 24 hours. The table below shows the results of the investigation. Based on this experiment, which of the following should be inferred about cells with semi permeable membranes?
A. Substances other than water may also cross the cell membrane. B. Substances other than water may block pores in the cell membrane. C. Water enters the cell when placed in environments of high water concentration. D. Water leaves the cell when placed in environments with a low concentration of solutes