Absence of a chromosome is called a __________.
A. monosomy
B. trisomy
C. double chromosome
D. translocation
Question 2
Which of the following statements regarding streptococci is INCORRECT?
A. The organisms are classified based on the carbohydrate antigens present in their cell walls and on the type of hemolysis produced by the organism growing on a blood agar plate.
B. Most alpha hemolytic streptococci are very pathogenic.
C. Group A beta streptococci may cause serious respiratory tract infections such as streptococcal pharyngitis, and such infections may be followed by rheumatic fever.
D. Group B beta streptococci may colonize the genital tract of pregnant women and may lead to an infection in the infant caused by the streptococcus acquired by the infant during delivery.
The steps in eukaryotic chromosomal compaction leading to the metaphase chromosome
The upper intake manifold, often called a plenum, attaches to the lower intake manifold.
Chromosome structural changes that accompany dihydrofolate reductase gene amplification
Plot showing the number of genes on each human chromosome
Analysis of double-mutant phenotypes to find order of genes in developmental pathways
Structure of a chromosome