Which of the following statements about gamete formation during meiosis is false?
a. recombinant gametes contain combinations of alleles not found in the parent cell.
b. complete linkage results in the formation of only parental gametes.
c. parental gametes can be formed only if there is no crossing over during meiosis.
d. parental gametes contain the same combinations of linked genes

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

State officials are considering constructing a road through a forested wilderness area. this action will likely affect the forest ecosystem in various ways. part a: predict how the construction of a road could negatively affect plants and animals in that ecosystem. (3 points) part b: describe one way that the construction of a road could have a positive impact of the forest ecosystem. (1 point)

Isotopes of the same element have differ in their