If short hair (L) is dominant to long hair (l), animals with LL and Ll have the same

A. genotypes
B. phenotypes
C. alleles
D. genes


Ans: B. phenotypes

Biology & Microbiology

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Body parts derived from endoderm include

A) epidermis and dermis of the skin as well as hair and nails. B) the urinary bladder epithelium, pancreas, and digestive tract lining. C) all connective tissues, including blood, bone, and cartilage. D) the linings of the blood vessels, trachea, and body cavities.

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The process by which Pneumococcus transfers DNA between living type RII and heat-killed type SIII cells is known as __________

A) transformation B) replication C) transduction D) ligation E) conjugation

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Chemical bond is formed by sharing of electrons:

a. covalent bond b. peptide bond c. atom

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In humans, "unattached" earlobes are dominant over "attached" earlobes. Widow's-peak hairline is dominant over non-widow's-peak hairline. Use E and e for the earlobe phenotype alleles and W and w for the hairline phenotype alleles. A woman and a man,

both with genotype EeWw, have a child. What is the probability that the child will have attached earlobes and a widow's peak? A) 9/16 B) 3/16 C) 3/4 D) 1/3 E) 1/16

Biology & Microbiology