In a person with Klinefelter's syndrome, there is _____.
A) an extra X chromosome
B) an extra Y chromosome
C) no X chromosomes
D) no Y chromosomes
Correct Answer:
Verified
Q23: If two of the same allele is
Q24: Huntington's disease is a neurodegenerative disorder.
Q25: Spina bifida is a _ disorder.
A)congenital
B)heterozygous
C)homozygous
D)sex-linked
Q26: Cleft lip and cleft palate are a
Q27: Cerebal palsy is a _ disorder.
A)congenital
B)heterozygous
C)homozygous
D)sex-linked
Q29: Albinism is an _ disorder.
A)autosomal dominant
B)autosomal recessive
C)X-linked
Q30: Achondroplasia results in achondroplastic dwarfism.
Q31: Phenylketonuria (PKU)is an inborn error of metabolism
Q32: Hereditary diseases or disorders often result from
Q33: Normally, each person has forty-four (twenty-two pairs)chromosomes.
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