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The allele for tall height is T; the allele for short height is t. Use the following chart to determine the probability that the offspring will be short? B b a) 3/4 or 75% BB Bb B b) 2/4 or 50% b Bb bb c) 4/4 or 100% d) 1/4 or 25% The different forms of a gene are called __________. A. B. C. D. Chromosomes Phenotype Allele Genotype During chemical digestion, the body produces and releases A. B. C. D. Enzymes Glands Calories Nutrients The steps of mitosis in order are A. B. C. D. telophase, metaphase, anaphase, prophase anaphase, telophase, metaphase, prophase prophase, anaphase, metaphase, telophase prophase, metaphase, anaphase, telophase Which of the following is NOT a function of the skeletal system A. B. C. D. Produced vitamin D Protects interior organs Gives shape and support to the body Stores minerals A form of asexual reproduction, in which one cell divides to form two identical cells from one parent is called _____. A. B. C. D. Meiosis Binary fission Respiration Pasteurization In bunny rabbits, a rough coat (R) is dominant over a smooth coat (r). What must be the genotype of a bunny rabbit with a smooth coat? A. B. C. D. RrR rr Rr RR All of the following are ways in which the skin helps protect the body EXCEPT A. Prevents internal damage B. Glands secrete fluids that destroy bacteria C. Pores open to let bacteria in D. Prevents excess water loss from body tissues What happens during meiosis? A. The genes are lined up like beads on a string B. Chromosome pairs separate and are distributed to four sex cells C. Each cell copies itself to form twelve new cells D. Chromosome pairs remain together when new sex cells are formed The genotype of an organism is A. The reduction of genes due to mutations B. The chart showing the organism’s pedigree C. The way an organism looks and behaves as a result of its genes D. The combination of the alleles of the organism Human sex cells have ____ individual chromosomes. A. B. C. D. 13 18 23 46 What does a Punnett square show? A. All the possible outcomes of a genetic cross B. The actual outcome of a genetic cross C. Only the recessive alleles in a genetic cross D. All of Mendel’s discoveries about a genetic cross Which parts of the diagram shows the anaphase and the telophase? A. 5 and 7 B. 1 and 4 C. 5 and 6 D. 4 and 5 Scientists call an organism that has two different alleles for a trait a A. B. C. D. Hybrid Factor Purebred Trait When a permanent change happens in a gene or a chromosome, the result is A. B. C. D. Reproduction Inexact replication Altered duplication Mutation The heredity material in a cell is found on the _______. A. B. C. D. Chromosome Mitochondria Chloroplast Cytoplasm What is the best way to explain the relationship between genes and chromosomes using the following analogies (or comparisons)? A. Genes eat chromosomes like big fish eat little fish B. Genes chase chromosomes like cats chase mice C. Genes are on a chromosome like beads are on a string D. Genes create chromosomes like programmers create video games The allele for the ability to roll your tongue is R; the allele for the inability to roll your tongue is r. The Punnett Square genotypes are Rr x Rr, determine the probability that the offspring will not be able to roll their tongues. A. 3/4 or 75% B. 4/4 or 100% C. 2/4 or 50% D. 1/4 or 25% Which of the following describes the purpose of selective breeding? A. To destroy new organisms B. To produce organisms with desired traits C. To produce new and different organisms D. To destroy specific traits in organisms Which body system has a function similar to that of power lines A. B. C. D. Respiratory system Circulatory system Nervous system Muscular system A substance that speeds up a chemical reaction in the body is called a(n) A. B. C. D. Enzyme Fat Nucleotide Sugar The, _____, the body’s largest artery takes blood away from the heart. A. B. C. D. Ventricle Aorta Coronary vessel Atrium Which of these is an example of the benefit of genetic engineering? A. Analyzing karyotypes and pedigree charts B. Cross-breeding to create diseaseresistant crops C. Making human insulin to treat people with diabetes D. Growing a new plant from a seed Which characteristic are you MOST likely to inherit from a parent that is not affected by the environment? A. B. C. D. Eye color Temper Food choice Weight The function of the kidneys is to A. Remove carbon dioxide B. Make blood cells C. Filter blood that contains waste from the cells D. Digest food Which body system performs a similar function to that of a waste removal plant? (you take your trash, drop it off there) A. Endocrine system B. Excretory system C. Immune system D. Circulatory system What is the physical characteristic that is studied in genetics called? A. B. C. D. Offspring Generations Hybrids Traits This diagram represents what process? A. B. C. D. Asexual reproduction Conjugation Sexual reproduction Passive transport During a race, some of the students begin sweating or perspiring. Which two body systems specifically are involved? A. B. C. D. Excretory and Immune Integumentary and Excretory Nervous and Reproductive Skeletal and Digestive Which of the following is NOT a characteristic shared by all living things? A. B. C. D. Responds to a stimulus Composed of one or more cells Reproduce by spontaneous generation Grows and develops The allele for black hair is B; the allele for red hair is b. Use the chart below to determine the probability that the offspring will have black hair? B b B a) 3/4 or 75% BB Bb Bb bb b) 2/4 or 50% b c) 4/4 or 100% d) 1/4 or 25% Before a cell divides it must copy information into the __________. A. B. C. D. Cytoplasm Membrane Mitochondria Chromosomes Hannah wants to determine what type of reproduction an organism undergoes. She finds out that all of the organism’s offspring look identical to the original organism. She determines that this organism reproduces A. Sexually B. Rarely C. Asexually D. Frequently Which choice places the levels of organization of the human body in their correct order from smallest to largest? A. Organs, tissues, organism, cells, organ system B. Cells, tissues, organs, organ systems, organism C. Tissues, cells, organs, organ systems, organism D. Organism, organ systems, organs, tissues, cells 1. Nucleotides are made up of what three things? Sugar, phosphate, and a base 2. There are 4 bases that make up DNA, how are they paired (just the letters, not their names)? A with T and C with G 3. Using DNA from an organism to “create” an identical organism is called what? Cloning 4. What two scientist made the first model of DNA? Watson and Crick 5. A change in the order of bases is called a _Mutation________? 6. When mating two organisms to get a desired trait is called selective breeding. 7. Write the complementary strand for the DNA: TCA GCA TTA AGT CGT AAT CGA GCT 8. The genetic code for all living organisms is found on Chromosomes which is located in the nucleus. 9. What is a gene? A set of instructions for an inherited trait 10. What is incomplete dominance? When one trait is not completely dominant over the other one.