Marbles is a Manx cat whose tail is so short that she appears not to have one. The genotype for short tail in Manx cats is heterozygous (Mm). Cats that are genotype mm have normal length tails, but cats that are genotype MM die before birth due to highly abnormal brains and spinal cords. Marbles has one copy of a dominant ________ allele.
A) pleiotropic
B) penetrant
C) lethal
D) polymorphic
C) lethal
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Why are polymerization reactions endergonic? Polymerization reactions _____
A) reduce entropy B) release heat, making the reactant monomers move faster C) release energy D) are at equilibrium
During the life of a tunicate, the notochord
a. is present throughout life. b. appears only in the larva. c. develops during adulthood. d. is completely absent. e. changes into the nerve cord.
The molecular mass of C6H12O6 is 180 amu. How much mass does 0.25 moles of this substance contain?
a. 1.8 g b. 45 g c. 180 g d. 45 daltons e. 180 daltons
Behavioural excesses, such as hallucinations, delusions, bizarre behaviour, or wild flights of ideas describe ________.
Fill in the blank(s) with the appropriate word(s).