It is misleading to use terms such as one parent or single parent to describe some family structures because many single-parent mothers and fathers live with other adults such as a cohabiting partner or relatives.
a. true
b. false
Question 2
The numbers of single-mother-headed households has significantly increased in the past 30 years. Which of the following is true?
a. Welfare mothers form single-mother households in order to obtain welfare.
b. The proportion of single-mother-headed households who are on welfare has increased.
c. The proportion of single-mother-headed households who are on welfare has decreased.
d. The proportion of single-mother-headed households who are on welfare has stayed about the same.
A family pedigree of a dominant trait
Structures of the Abdomen: Anterior View
Comparison of de novo predictions to X-ray crystal structures
Structures of G proteins
Comparison of DNA polymerase structures with primer and template bound
Structures of four common types of DNA-binding motifs from eukaryotic transcription factors