Según la segunda ley de Mendel, en la segunda generación filial se produce la segregación de los caracteres, lo que significa que durante la formación de los gametos, los alelos de un par se separan para determinar la constitución genética, De forma que los alelos de los padres se combinan en el descendiente para garantizar la variabilidad genética. Según esta norma, al cruzar individuos de la primera generación (Aa, por ejemplo) o al autofecundarse uno de ellos, se obtiene una proporción fenotípica igual en la descendencia.

Question 4 (5 points) Which of the following practices would help a total vegetarian increase their iron intake from plant food? Adding cheese to salads and sandwiches C) Drinking zinc, calcium, and selenium sumplements milk D) Cooking vegetables with tomatoes and lemon juice in a cast iron skillet

The most effective regulator of blood pH is which of the following? the renal system the respiratory system the digestive system the buffer system

7. The European rabbit (an herbivore) was introduced to Australia in the 1800 s. It has no natural predators in the continent and breeds very quickly. Which of the following is a negative impact that resulted from the introduction of rabbits to the Australlan ecosystem?

9. In a study of the habitat of a population of raccoons, scientists found that the number of raccoons increased where people built houses. What might the scientists conclude from this observation?

MODULE 23 Assessment Vocabulary Review Correct the sentences below by replacing the italicized term with the correct vocabulary term. 1. A(n) infection is an organism that causes disease. 2. A substance that kills cells or interferes with their functions is called a(n) vector. 3. When pathogens in the body multiply and damage body cells, a(n) virus results. Understanding Key Concepts After reading the question or statement, select the correct answer. 4. The common cold and influenza are caused by a. overeating. b. viruses. c. bacterial infection. d. exposure to toxins. 5. Malaria, West Nile virus, and Lyme disease are