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Name_________________________ Date________________ Pd______ GENETICS STUDY GUIDE!! 1. HETEROZYGOUS MEANS THE LETTERS LOOK LIKE A. RR B. Aa C. RD 2. WHO IS THE “FATHER OF GENETICS”? A. MENDEL B. LEEWENHOEK C. SCHWANN 3. HOMOZYGOUS HAS LETTERS THAT LOOK A. THE SAME B. LIKE NUMBERS C. DIFFERENT 4. HYBRID MEANS THE SAME AS A. HETEROZYGOUS B. HOMOZYGOUS C. PUREBRED 5. PHENOTYPE IS THE WAY AN ORGANISM A. WALKS B. LOOKS C. TYPES 6. PUREBRED MEANS THE SAME AS A. HETEROZYGOUS B. HYBRID C. HOMOZYGOUS 7. GENOTYPE IS THE __________ AN ORGANISM HAS. A. MONEY B. LOOKS C. LETTERS 8. CAN HOMOZYGOUS BE DOMINANT OR RECESSIVE? A. YES B. NO 9. IN WHAT WAYS WERE DOGS THOUGHT TO HAVE EVOLVED FROM WOLVES? A. ADOPTION B. SCAVENGING C. DOMESTICATION 10. TRUE OR FALSE: SELECTIVE BREEDING IS WHEN YOU CONTINUE TO BREED FAMILY MEMBERS WITH EACH OTHER. 11. TRUE OF FALSE: A PUNNETT SQUARE SHOWS THAT TWO ORGANISMS WILL PRODUCE 4 BABIES. 12. TRUE OF FALSE: ACQUIRED TRAITS ARE THOSE THAT YOU GET FROM YOUR FAMILY. DO PUNNETT SQUARES FOR THE FOLLOWING: 13. DD x dd 14. Rr x rr 15. Tt x Tt 16. AA x Aa WORD PROBLEMS: SHOW ALL WORK!! 17. CROSS A HOMOZYGOUS DOMINANT WHITE CAT WITH A HOMOZYGOUS RECESSIVE BLACK CAT. (DO PHENOTYPE AND GENOTYPE) 100% HETEROZYGOUS 100% WHITE CATS 18. CROSS A HETEROZYGOUS BROWN COW WITH A HOMOZYGOUS RECESSIVE TAN COW. (DO PHENOTYPE AND GENOTYPE) 50% HETEROZYGOUS 50% HOMOZYGOUS RECESSIVE 50%BROWN 50%TAN 19. EXPLAIN WHY MALES (XY) ARE MORE LIKELY THAN FEMALES (XX) TO GET SEXLINKED DISEASES. MALES ONLY HAVE ONE COPY OF THE X CHROMOSOME. MOST SEX-LINKED DISEASES ARE ON THE X CHROMOSOME, SO THE MALE DOES NOT A CHANCE AT GETTING ANOTHER X CHROMOSOME TO COVER OVER THE ONE WITH THE DISEASE. 20. EXPLAIN WHAT A PEDIGREE IS USED FOR AND WHAT ALL OF THE SHAPES REPRESENT. WHY IS IT A USEFUL TOOL? CIRCLE-FEMALES SQUARE-MALES LINES BETWEEN CIRCLE/SQUARE-MEAN A MARRIAGE HALF SHADED-MEANS THEY ARE A CARRIER 21. NAME THE 3 BLOOD ALLELE TYPES. IF A PERSON HAS A BLOOD GENOTYPE AO WHAT WOULD THEIR BLOOD PHENOTYPE BE? A,B,O AO-A PHENOTYPE 22. WHAT IS INCOMPLETE DOMINANCE? WHEN NEITHER ALLELE WANTS TO DOMINATE OVER THE OTHER. THE RESULT IS A BLENDING OF TRAITS 23. HOW SHOULD BIOTECHNOLOGY BE USED, IF AT ALL? OPINION 24. WHAT IS PROBABILITY AND HOW IS IT USED IN GENETICS? IT IS A BRANCE OF SCIENCE/MATH USED TO PREDICT OUTCOMES PROBABILITY IS USED TO MAKE PREDICTIONS ABOUT WHAT WILL HAPPEN WHEN TRAITS GET PASSED ON. 25. LIST THE DISEASES/DISORDERS THAT SCIENTISTS WERE STUDYING IN DOGS, IN HOPES TO HELP PEOPLE WHO HAVE THOSE DISEASES/DISORDERS. FOR WHICH DISEASE DID THEY FIND THE GENE THAT CAUSES IT? SOCIAL DISORDERS-AUTISM/SCHIZOPHRENIA NARCOLEPSY-FOUND THE GENE FOR THIS ONE ****KNOW ALL OF YOUR VOCABULARY AS WELL****