Before scientists can manipulate DNA they must first do a DNA extraction what is done during this process?

Still new to genetics so I want someone to make sure I'm doing it right! 1. Red (heterozygous) x white (homozygous) 2. Red (heterozygous) x red (homozygous) 3. Red x red (both heterozygous) answers: all red 2 red, 2 white all white 3 red, 1 white

Jeanette's father has dark skin. Her mother has light skin. In the summer, Jeanette's skin is as dark as her father's. In the winter, her skin is darker than her mother's but lighter than her father's. Jeanette's skin color is the result of 1.

Which of these activities provides an example of positive parenting? Mariah strictly disciplines and punishes bad behavior in children. Kate assigns responsibilities from a young age to modify children's behavior.

True or false? most antigens are large, complex molecules that are not normally present in the body. a. True b. False

Which of these cell parts contain instructions for the passage of traits from one generation to the next

Ben is an entomologist studying ant behavior. He wants to know whether ants are pollinators for a specific plant. In which stage of the plant's life cycle should he check whether a significant number of adult ants are acting as pollinators? A.

Why do living things use enzymes instead of heat as a source of activation energy? A: Adding heat does not affect how chemical reactions take place. B: Adding sufficient heat would harm or kill a living thing.

Which of the following scenarios describes an epistatic gene interaction?

An 1815 volcanic eruption in Indonesia was followed by a three-year famine around the world. How was the volcano linked to the famine? O A. The eruption's ash and gas significantly dimmed the sun. B.

In the general equation of photosynthesis, why is chlorophyll written over the arrow rather than on the left side of the equation'