Members of phylum Ctenophora are diploblastic but lack cnidocytes
____________________ Indicate whether the statement is true or false.
T
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The latent form of a bacteriophage genome that exists when a phage establishes lysogeny is called a ________.
A. lysogen B. viroid C. prophage D. prion
What are the characteristics of the animal and vegetal poles of the egg?
What will be an ideal response?
In cocker spaniels, black coat color (B) is dominant over red (b), and solid color (S) is dominant over
spotted (s). If two dihybrids (Bb Ss) were crossed, the most common phenotype would be a. black and solid. b. black and spotted. c. red and solid. d. red and spotted. e. none of these.
Tightly curled hair is caused by a dominant autosomal gene in humans. If a heterozygous curly-haired person marries a person with straight hair, what phenotypes (and in what proportions) are expected in the offspring?
A) 1 curly : 2 straight B) 3 curly : 1 straight C) 1 curly : 1 straight D) 1 curly : 3 straight E) 2 curly : 1 straight