In breeding pure-breeding large and small strains of mice, you cross individuals of each strain and note that their offspring are intermediate in size. two models (explanations) to account for this result are (1) that body size in these strains is due to one gene with alleles that show incomplete dominance and (2) that body size is a polygenic trait. how could you distinguish between these models?

Jane is a new therapist who works with couples and families. her decision was motivated by her sister melinda’s experience of spousal abuse. when jane meets with her supervisor to review cases, he points out that jane takes sides with her female clients when they cry or describe intense conflicts with their husbands. she believes her supervisor is blind to the signs of abuse. what critical thinking pitfall do jane’s reactions show?

Dominic and stacy each have a stamp collection. dominic has six fewer stamps than three times the number of stamps stacy has. dominic and stacy decide to give all of their stamps to their younger sister, mary. if stacy had s stamps, which expression represents the number of stamps that mary received? a. (3s − 18)(3s − 6) b. 2s − 18 c. 4s − 6 d. 4s − 18

Alcohol is involved in about of all fatal highway accidents.