A population of dogs has 33 members. 23 are homozygous dominant for black fur, six are heterozygous and four are homozygous recessive for brown fur. What is the frequency of the dominant and recessive alleles?
Total alleles:
Total dominant alleles:
Total recessive alleles:
Frequency of dominant alleles:
Frequency of recessive alleles:

Scientists are conducting a study on the effectiveness of a new drug on memory loss. they are giving some of the test subjects the new drug to find out if it improves their long-term memory. which are possible limitations of this study? check all that apply. a) test subjects may want to participate in additional experiments. b) test subjects may think they should be paid more. c) test subjects may get bored and want to quit early. d) test subjects may have to travel during the experiment. e) test subjects may have full-time jobs. this is multiple choice. you for the !