Select the correct answer. in a family, the father is affected by a genetic disorder. the son in the family has the same disease, but the daughters do not have it. what type of inheritance is this? a. y-linked b. x-linked c. polygenic d. codominant

Based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.