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Name: __________________________ Living Environment: Mr. Cooper Meiosis: 10 Questions 1. A large number of sperm cells are produced by males every day. This large number of sperm cells increases the chance that (1) at least one sperm cell will be reached when the eggs swim toward the sperm cells in the ovary (2) several sperm cells will unite with an egg so the fertilized egg will develop properly (3) some of the sperm cells will survive to reach the egg (4) enough sperm cells will be present to transport the egg from where it is produced to where it develops into a fetus 2. Which process usually results in offspring that exhibit new genetic variations? 3. The diagram below represents a process involved in reproduction in some organisms. (1) mitosis produces new combinations of inheritable traits (2) it increases the chances of DNA alterations in the parent (3) it is a source of variation in the offspring produced (4) meiosis prevents recombination of lethal mutations 4. The puppies shown in the photograph below are all from the same litter. The differences seen within this group of puppies are most likely due to (1) overproduction and selective breeding (2) mutations and elimination of genes (3) evolution and asexual reproduction (4) sorting and recombination of genes 5. Which process will increase variations that could be inherited? (1) mitotic cell division (3) recombination of genes (2) active transport (4) synthesis of proteins 6. Some cells involved in the process of reproduction are represented in the diagram below. (1) cell 1, only (2) cells 1 and 2 (3) cell 3, only (4) cells 2 and 3 7. Which process can produce new inheritable characteristics within a multicellular species? (1) cloning of the zygote (3) gene alterations in gametes (2) mitosis in muscle cells (4) differentiation in nerve cells 8. Variation in the offspring of sexually reproducing organisms is the direct result of (1) sorting and recombining of genes (2) replication and cloning (3) the need to adapt and maintain homeostasis (4) overproduction of offspring and competition 9. A single pair of goldfish in an aquarium produced a large number of offspring. These offspring showed variations in body shape and coloration. The most likely explanation for these variations is that the (1) offspring were adapting to different environments (2) offspring were produced from different combinations of genes (3) parent fish had not been exposed to mutagenic agents (4) parent fish had not reproduced sexually 10. Which cell is normally produced as a direct result of meiosis? (1) a uterine cell having half the normal species number of chromosomes (2) an egg having the full species number of chromosomes (3) a zygote having the full species number of chromosomes (4) a sperm having half the normal species number of chromosomes