Cloning is a process best described as — the production of genetically identical cells or organisms
removing unwanted genes from the genome
the combination of two different genomes into one new genome
producing identical proteins

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

When water freezes, it . contracts expands

How does natural selection change thephenotypes within a population over time?