Which of the following is true of dominant and recessive features?
A. Dominant features are more common than recessive features.
B. A heterozygous individual has one recessive allele.
C. A homozygous individual has two dominant alleles.
D. A homozygous individual has two recessive alleles.
Answer: B
You might also like to view...
You attend every new movie at your local theater, but you enjoy only about half of them. Which schedule of reinforcement is this?
a. Fixed-interval b. Variable-interval c. Fixed-ratio d. Variable-ratio
Dr. Fowler is interested in studying how indoor lighting can influence people's moods during the winter. A sample of 100 households is selected. Fifty of the homes are randomly assigned to the bright-light condition where Dr. Fowler replaces all the lights with 100-watt bulbs. In the other 50 houses, all the lights are changed to 60-watt bulbs. After two months, Dr. Fowler measures the level of
depression for the people living in the houses. In this study, the independent variable is the ____. a. brightness of the lights b. level of depression c. houses with 100-watt bulbs d. houses with 60-watt bulbs
Of the following, those who may be among the first to identify signs of child sexual abuse are ____
a. educators c. friends b. law enforcement d. relatives
According to the longitudinal study by Striegel-Moore and colleagues on ethnic
differences in eating disorders discussed in the text, all of the following statements are true except: a. European American girls are more likely to report dissatisfaction with their body and a desire to be thin than their African American peers. b. African American girls are more likely to report dissatisfaction with their body and a desire to be thin than their European American peers. c. Key symptoms of eating disorders increase with age in African American girls. d. Key symptoms of eating disorders increase with age in European American girls. e. Differences between African American and European girls are small and mostly nonsignificant when it comes to eating disorders.