BIOLOGY FINAL

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Anonymous
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188309
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BIOLOGY FINAL
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2012-12-10 01:14:44
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BIOLOGY WEFENSTETTE
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Definintions and Questions for Final
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  1. One of a set of a matching pair that contain genes (alleles) for the same charactoristic and at the same locaion on a chromosome.
    Homologous Chromosomes
  2. WHEN HOMOLOGOUS CHROMOSOMES FAIL TO SEPERATE CORECTLY IN ANAPHASE I OR II
    NONDYSJUNCTION
  3. NONDYSJUCTION OF THE 21ST CHROMOSOME
    TTRISOMY 21 OR DOWN SYNDROME
  4. A FATAL NONDYSJUNCTION OF THE 21ST CHROMOSOME WHEN THERE IS ONLY ONE INSTEAD OF TWO.
    MONOSOMY 21
  5. THE TRANSMISSION OF TRAITS FROM ONE GENERATION TO THE NEXT
    HEREDITY
  6. WHEN A TRUE WHITE PEA PLANT (pp) AND A TRUE PURPLE PEA PLANT (PP) MIX TOGETHER ALL OFFSPRING ARE PURPLE? WHAT IS THE PHENOTYPE OF THE OFFSPRING? WHAT IS THE GENOTYPE? WHICH TRAIT IS DOMINANT? WHICH TRAIT IS RECESSIVE?
    • PHENOTYPE=PURPLE
    • GENOTYPE=Pp
    • DOMINANT=PURPLE
    • RECESSIVE=WHITE
  7. USING THE EXAMPLE OF THE PEA PLANTS COLORS, GIVE AN EXAMPLE OF THE FOLLOWING GENOTYPES: HOMOZYGOUS DOMINANT, HETEROZYGOUS, AND HOMOZYGOUS RECESSIVE.
    • HOMOZYGOUS DOMINANT=PP
    • HETEROZYGOUS=Pp
    • HOMOZYGOUS RECESSIVE=pp
  8. WHAT IS THE CHROMOSOMAL THEORY OF INHERITANCE?
    GENES ARE LOCATED ON SPECIFIC LOCATIONS OF CHROMOSOMES AND THIER BEHAVIOR DURING MEIOSIS ACCOUNTS FOR HEREDITY PATTERNS
  9. GENES ARE LOCATED ON SPECIFIC LOCATIONS OF CHROMOSOMES AND THIER BEHAVIOR DURING MEIOSIS ACCOUNTS FOR HEREDITY PATTERNS. WHAT THEORY IS THIS?
    THE CHROMOSOMAL THEORY OF INHERITANCE
  10. FOR EACH INHERITED CHARACTOR, AN ORGANISM INHERITS ___ ALLELES.
    2
  11. RECESSIVE GENETIC DISORDER LOCATED ON CHOMOSOME 7
    CYSTIC FIBROSIS
  12. WHEN AN EXPRESSED PHENOTYPE IS SOMEWHERE BETWEEN THAT OF THE PARENTS
    INCOMPLETE DOMINANCE
  13. THE SCIENTIFIC STUDY OF HEREDITY
    GENETICS
  14. A HERITABLE FEATURE THAT VARIES AMONG INDIVIDUALS, SUCH AS FLOWER COLOR
    CHARACTOR
  15. EACH VARIENT OF A CHARACTOR, SUCH AS PURPLE OR WHITE FLOWERS
    TRAIT
  16. WHAT IS IT CALLED WHEN YOU CROS A PUREBRED WHITE PEA PLANT WITHA PUREBRED PURPLE PEA PLANT?
    MONOHYBRID CROSS
  17. ALTERNATE VERSIONS OF A GENE
    ALLELES
  18. AN ORGANISM THAT HAS TWO IDENTICAL ALLELES IS SAID TO BE ___________ FOR THAT GENE.
    HOMOZYGOUS
  19. AN ORGANISM THAT HAS 2 DIIFERENT ALLELES FOR A GENE IS SAID TO BE ___________.
    HETEROZYGOUS
  20. IF TWO ALLELES OF AN INHERITED PAIR DIFFER, THAN ONE DETERMINES THE ORGANISM'S APPERARENCE AND IS CALLED THE _____(1)_____ ALLELE; THE OTHER HAS NO NOTICEABLE EFFECT ON THE ORGANISM'S APPEARANCE AND IS CALLED THE ____(2)____ ALLELE.
    1) DOMINANT; 2) RECESSIVE
  21. GENETICS USE (1)______ ______ TO REPRESENT DOMINANT ALLELES AND (2)______ ______ TO REPRESENT RECESSIVE ALLELES.
    1) UPPERCASE LETTERS; 2) LOWERCASE LETTERS
  22. A SPERM OR EGG CARIES (1)____ ALLELE FOR EACH INHERITED CHARACTOR BECASUE THE TWO ALLELES FOR A CHARACTOR (2)___________ DURING THE PRODUCTION OF (3)__________. THIS STATEMENT IS CALLED THE LAW OF (4)___________.
    1) ONE; 2)SEPERATE; 3)GAMETES; 4) SEGREGATION
  23. What is this picture an example of?
    A MONOHYBRID CROSS
  24. WHAT IS THIS AN EXAMPLE OF?
    THE LAW OF SEGREGATION
  25. TABLE USED TO DIAGRAM POSSIBLE GENOTYPES FOR OFFSPRING
    PUNNET SQUARE
  26. AN ORGANISMS PHYSICAL APPEARANCE
    PHENOTYPE
  27. AN ORGANISMS GENETIC MAKEUP
    GENOTYPE
  28. SOMEONE WHO IS NORMAL THEMSELVES BUT HAS HETEROZYGOUS ALLELES FOR A GENETIC DISORDER
    CARRIER
  29. HUNTINGTON'S DISEASE IS AN EXAMPLE OF A _________ GENETIC DISORDER.
    DOMINANT
  30. CYSTIC FIBROSIS IS AN EXAMPLE OF A ___________ GENETIC DISORDER.
    RECESSIVE
  31. HYPERCHOLESTEROLEMIA IN HUMANS AND PINK SNAP DRAGON PLANTS IS AN EXAMPLE OF __________ __________.
    INCOMPLETE DOMINANCE
  32. WHEN BOTH ALLELES ARE EXPRESSED IN HETEROZYGOUS INDIVIDUALS
    CODOMINANCE
  33. WHAT IS AN EXAMPLE OF CODOMINANCE IN HUMANS?
    BLOOD TYPE ( SPECIFICALLY TYPE AB)
  34. A PROPERTY WHEN ONE GENE INFLUENCES SEVERAL CHARACTORISTICS
    PLEIOTROPY
  35. WHAT IS AN EXAMPLE OF PLEIOTROPY IN HUMANS?
    SICKLE-CELL DISEASE
  36. WHAT CHARACTORISTICS IN HUMAN ARE EXAMPLES OF POLYGENIC INHERITANCE?
    SKIN COLOR AND HEIGHT.
  37. THE ADDITIVE EFFECTS OF TWO OR MORE GENES ON A SINGLE PHENOTYPIC CHARACTOR
    POLYGENIC INHERITANCE
  38. LETTERS ON HOMOLOGOUS CHROMOSOMES STAND FOR GENES THAT CONTROL SPECIFIC ________, SUCH AS HAIR COLOR.
    TRAITS
  39. DO ALLELES SEPERATE DURING FETILIZATION?
    NO
  40. EACH GAMETE CONTAINS ____ ALLELE FOR EACH CHARACTORISTIC.
    ONE
  41. WHEN DO PAIRS OF ALLELES SEPERATE?
    DURING MEIOSIS

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