A) It is commonly used to determine the sex of an individual.
B) It is commonly used to determine paternity and ancestry.
C) It can be used to determine whether a man is carrying traits such as hemophilia and Duchenne muscular dystrophy.
D) It can be used to determine whether a man is likely to pass on traits such as hemophilia and Duchenne muscular dystrophy.
E) It can be used to determine whether a person has a genetic disease caused by a mutant allele on an autosome.
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A) They carry Rh markers,whereas other blood types have none.
B) They carry A and B type surface markers,so they are universal acceptors of blood.
C) They carry A and B type surface markers,so they are universal donors of blood.
D) They carry A and B type surface markers,so they cannot receive or donate blood.
E) They have no surface markers from the ABO blood type alleles.
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A) 0%
B) 25%
C) 50%
D) 75%
E) 100%
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A) A+
B) O-
C) AB-
D) AB+
E) All of the above.
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A) determine the age of a fetus.
B) create a karyotype.
C) determine the sex of a fetus.
D) detect placenta abnormalities.
E) B and C.
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A) it can be used to trace male lineage.
B) it undergoes recombination with the X chromosome.
C) it is tiny and carries only a few genes.
D) it contains genes that influence the development of male characteristics.
E) it is passed only from father to son.
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A) 0%
B) 25%
C) 50%
D) 75%
E) 100%
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A) alcoholism
B) drug abuse
C) anxiety disorder
D) seizure disorder
E) All of the above.
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A) You and your brother inherited different Y chromosomes from your dad,and you passed your Y chromosome on to your son.
B) You and your brother inherited the same Y chromosome from your dad,and you passed a different Y chromosome on to your son.
C) You and your brother inherited the same Y chromosome from your dad,and you passed the same Y chromosome on to your son.
D) You cannot tell the inheritance pattern with the information given.
E) The inheritance of the Y chromosome is dependent on which X chromosome is inherited.
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A) the presence of any two sex chromosomes
B) the presence of two X chromosomes
C) the absence of a Y chromosome
D) the presence of a Y chromosome
E) none of these
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A) The Y chromosome aligns with its homologous chromosome;the X does not.
B) The X chromosome undergoes crossing over;the Y does not.
C) The Y chromosome undergoes crossing over;the X does not.
D) During crossing over the X chromosome donates segments to the Y chromosome.
E) During crossing over the Y chromosome donates segments to the X chromosome.
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A) diet
B) environment
C) general health
D) amount of exercise
E) All of the above.
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A) none of the four resulting cells will be aneuploid.
B) one of the four resulting cells will be aneuploid.
C) two of the four resulting cells will be aneuploid.
D) three of the four resulting cells will be aneuploid.
E) all four resulting cells will be aneuploid.
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A) hair color.
B) wavy hair.
C) blue eyes.
D) height.
E) color blindness.
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A) AB
B) AB or O
C) AB,A,or O
D) AB,A,B,or O
E) AB,A,or B
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A) The Y chromosome is technically easier to extract from cells than the X chromosome.
B) The Y chromosome rarely undergoes genetic recombination because there is no homologous partner.
C) The X chromosome passes through generations largely unchanged and is therefore useless for tracking mutations.
D) The Y chromosome mutates easily allowing ancestry to be traced over many generations.
E) When the X chromosome recombines with the Y chromosome the Y chromosome more accurately reflects inheritance from both parents.
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A) Genetic disease causes a spontaneous increase in the number of sex chromosomes in mature gametes.
B) Errors occurred in chromosome segregation during meiosis in their fathers or mothers.
C) People who inherit large numbers of short tandem repeats (STRs) also inherit extra sex chromosomes.
D) A mistake in mitosis during embryonic development leads to extra sex chromosomes in every cell.
E) It is not known why these unusual chromosome combinations occur.
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A) three copies of chromosome 20.
B) nondisjunction of the sex chromosomes.
C) three copies of chromosome 21.
D) three copies of chromosome 22.
E) one copy of chromosome 21.
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A) markers on the surface of blood cells.
B) types of hemoglobin in blood cells.
C) different shapes of red blood cells.
D) different types of white blood cells.
E) different shapes of white blood cells.
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A) The Y chromosome is
B) The X chromosome is
C) All 46 chromosomes are
D) The autosomes are
E) Chromosomes 12 and 22 are
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