A karyotype reveals that an individual is XYY. Based on your knowledge of human genetics, you correctly conclude
that this individual has ____, and is a phenotypically _____.
a. Turner syndrome; sterile female
b. Turner syndrome; fertile female
c. Klinefelter syndrome; sterile male
d. Klinefelter syndrome; fertile male
e. XXY karyotype; fertile male
e
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Monosaccharides and disaccharides are types of ____
a. proteins b. lipids c. nucleic acids d. carbohydrates e. amino acids
Variations in the timing of master gene expression during embryonic development in vertebrates is responsible for
____.
a. mitochondrial DNA expression b. protein synthesis c. differences in adult body form d. development of vestigial structures e. brain development
A somatic cell from a garden pea normally contains 14 chromosomes. How many sister chromatids would that cell contain during G1 of the cell cycle?
A. 7 B. 14 C. 0 D. 28
Which of these is not a function of the root cap?
A. rapid cell division B. releasing a slimy lubricant fluid C. protection of the root tip D. gravity perception E. pushing away soil particles as the root grows