The process of meiosis results in ____
a. the production of four identical cells
b. no change in the chromosome number from parental cells
c. a doubling of the chromosome number
d. a reduction in the chromosome number
e. two diploid cells
d
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What is the correct order of events in regards to the birth process? a. Cervical canal dilates - contractions propel the fetus through the cervix- amnion ruptures
b. Cervical canal dilates - amnion ruptures - contractions propel the fetus through the cervix. c. Amnion ruptures - lactation begins - contractions propel the fetus through the cervix. d. Amnion ruptures - cervical canal dilates - contractions propel the fetus through the cervix. e. Lactation begins - contractions propel the fetus through the cervix - amnion ruptures.
The role of environmental factors on gene
expression is illustrated by a. the varying plant height of genetically identical yarrow plants when grown at different elevations. b. the flower color of hydrangeas grown in soils of differing pH. c. the depression response that some persons make to very stressful situations. d. the fur pattern of Himalayan rabbits. e. all of these.
If the parental genotype is EeWw, what are the potential allele combinations that could occur at the end of meiosis?
a. EW, Ew, eW, and ew b. EW, EE, eW, and ww c. EE, WW, ee, and ww d. EW, Ew, ee and ww
The number of offspring that could be born is the
A. sex ratio. B. exponential growth phase. C. population. D. reproductive capacity.