In a Punnett square, the letters within the little boxes represent ____
a. offspring genotypes
b. parental genotypes
c. parental genotypes
d. offspring phenotypes
e. parental phenotypes
ANSWER: a
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A) a protein B) mRNA C) tRNA D) rRNA
To make a transgenic Huntington Disease mouse, a copy of the mutant human HD gene was cloned into a vector, and the next step was to _____
1.transfer the vector directly into the foster mother mouse 2.microinject the vector into the nucleus of a fertilized mouse egg 3.transform bacteria using the engineered plasmid 4.insert the sequence into the genome of a virus and infect a mouse with the virus
Which of the following are present in high densities in both smooth and skeletal muscle cells? I) cilia II) mitochondria III) nuclei IV) endoplasmic reticulum
A) only I and II B) only II and IV C) only III and IV D) only I, II, and III
The ________ spreads more parasitic diseases to humans than any other vector
A) kissing bug B) mosquito C) tick D) louse E) mite