If both parents are homozygous for a disease-causing recessive gene, ____________________ of their children will be
affected. What will be an ideal response?
ANSWER: all
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What describes placental mammalian embryos?
A. They are born immediately after fertilization. B. They develop inside a leathery shell. C. They complete development in a pouch. D. They hatch from an internal egg. E. They are totally dependent on the mother for complete development.
Helicobacter pylori has been associated with ____
a. irritable bowel syndrome b. duodenal ulcers c. peptic ulcers d. HPV e. GERD
Oxygen will form _____ covalent bonds with other atoms
1.1 2.2 3.3 4.4
What is a codon?
A) a segment of a chromosome that encodes an RNA B) three genes in a bacterium that are all regulated together C) three amino acids in a row in a protein D) a three-base sequence of mRNA that codes for a specific amino acid E) a sequence in DNA that is the binding site for RNA polymerase