6. The degree or extent to which a given genotype is expressed phenotypically in a particular individual is defined as
A. penetrance
B. expressivity
C. inheritance strength
D. environmental influence
7. How many chromosomes are there in Caenorhabditis elegans?
A. 3
B. 6
C. 9
D. 12
8. If two genes show 50% recombination
A. they are on different chromosomes
B. they are on same chromosome but far apart
C. both (a) and (b)
D. they are closely located on the same chromosome
9. Which of the following denotes a pair of contrasting characters?
A. Alleles
B. Phenotype
C. Homozygous
D. Genotype
6. The degree or extent to which a given genotype is expressed phenotypically in a particular individual is defined as
A. penetrance
B. expressivity
C. inheritance strength
D. environmental influence
7. How many chromosomes are there in Caenorhabditis elegans?
A. 3
B. 6
C. 9
D. 12
8. If two genes show 50% recombination
A. they are on different chromosomes
B. they are on same chromosome but far apart
C. both (a) and (b)
D. they are closely located on the same chromosome
9. Which of the following denotes a pair of contrasting characters?
A. Alleles
B. Phenotype
C. Homozygous
D. Genotype
10. A map of chromosomes that utilizes cloned and sequenced DNA fragments rather than genetic markers is known as
A. a physical map
B. a genetic map
C. a cloning map
D. none of these