Hairlessness in dogs is inherited from a single dominant allele. Inheriting two dominant alleles is lethal for an embryo. Ralph and Penelope are both hairless dogs. What is the probability that Penelope will give birth to a puppy with hair?
A) 3/4
B) 1/3
C) 2/3
D) 1/4
B) 1/3
Biology & Microbiology
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Where do B cells originate in mammals?
A. bone marrow B. blood C. lymph nodes D. thymus
Biology & Microbiology
Compound leaves have:a
parallel veins instead of netted veins. b. alternate leaf attachment instead of opposite leaf attachment. c. palmately netted leaves instead of pinnately netted leaves. d. two or more leaflets instead of a single blade. e. many leaves per plant instead of a single leaf per plant.
Biology & Microbiology
A neuronal axon transmits neural impulses toward its cell body
____________________ Indicate whether the statement is true or false.
Biology & Microbiology
Water moves through a plant because of the property of
A) high heat of vaporization. B) cohesion. C) high heat of fusion. D) high specific heat.
Biology & Microbiology