Which type of allele is ignored when found in a heterozygous gene pair?

During which stage in life are married individuals likely to find themselves having to care for a sick partner with a limiting health condition?

late adulthood early adulthood emerging adulthood

Some research has been conducted about how students revise their papers during the writing process. According to this research,

a. students are not highly accurate in identifying defective sentences in their papers.. b. the revision process takes about 30% of students' time spent on a paper. c. students can proofread their own papers more accurately than the papers of other students. d. students can proofread their own paper more accurately immediately after they have written it; accuracy drops after a delay of one day or more.