Marfan syndrome is the result of inheriting a single allele. Individuals with Marfan syndrome are tall and long-limbed, and have both cardiovascular and eye defects. Marfan syndrome is an example of ________.
A. codominance
B. homozygous recessive
C. pleiotropy
D. incomplete dominance
C. pleiotropy
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In a family that starts with you, your grandchildren would be the ________ generation.
A) P1 B) P2 C) F1 D) F2
Which of the following statements about essential elements is FALSE?
a. An element with only one role in plant metabolism may still be essential. b. An essential element is necessary for normal growth and reproduction. c. Plant seeds in some cases contain enough of an essential element to sustain the adult plant. d. An essential element may occasionally be functionally replaced by another element. e. Some essential elements are required in only trace amounts.
The basic tool of genetic regulation is the ability of certain proteins to bind to specific
A. regulatory DNA sequences. B. promoter parts of the gene. C. enzymes of the cell. D. repressor parts of the gene. E. regulatory RNA sequences.
If a double-stranded DNA has 20% adenine, then it will have ________ % cytosine
Fill in the blank(s) with correct word