The 23 paired corresponding chromosomes, one from each parent are called ____
a. haploid pairs
b. homologous chromosomes
c. “n” pairs
d. X and Y chromosomes
e. sex chromosomes
ANSWER: b
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Collections of bacteria that adhere to the surfaces of the teeth are called
A. dental caries. B. dental plaque. C. halitosis. D. periodontal disease
Pairs of alleles are found at a particular ____ on a pair of ____
a. gene; gametes b. base; homozygous genes c. nucleotide; genes d. locus; homologous chromosomes e. sister chromatid; homologous chromosomes
The pattern of G-bands on each member of a homologous pair of chromosomes is usually different. Indicate whether the statement is true or false
Neurospora is an ideal organism to study the effects of genetic mutations because of several reasons. What is one of
these? a. Neurospora is a small mammal. b. Neurospora grows as a diploid organism. c. Neurospora requires a medium supplemented with only a few nutrients that it cannot manufacture on its own. d. Neurospora mutant strains that cannot make a particular amino acid can still grow if that amino acid is added to the growth medium. e. Neurospora contains homologous chromosomes that are easily viewed with a light microscope