With the sequence of the gene-coding regions of the human genome in hand and the development of newer sequencing methods, scientists ____
a. now know that the types of mutations present in all cancers are very similar
b. can now sequence and analyze the protein-coding genes in cancer cells
c. are still unable to systematically identify all the mutations present in a cancer cell
d. found that the number of mutational events that occur during the transition from normal to malignant cells is much smaller than previously thought
e. found that most tumors had at least 100 mutations in common with any other tumor, emphasizing the common origin of cancer
b
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What color is a plant with the genotype GgAa?
A horticulturist is breeding a new variety of houseplant in which two genes control leaf color. G (allele for green) is dominant to g (yellow) and B (second allele for green) is dominant to b (yellow). The recessive homozygous condition of either gene will mask a dominant allele. A. green B. yellow C. an intermediate yellow-green D. variegated (yellow and green spots or stripes) E. The color cannot be determined with the information given.
The gene for ABO blood type encodes an enzyme that adds sugar molecules to lipids on the surface of red blood cells.
Answer the following statement true (T) or false (F)
The ________ valves prevent blood from flowing back into the heart once it has left the ventricles
Fill in the blank(s) with correct word
Prions are of significance because they cause infections of ________.
A. fungi B. domestic animals and humans C. prokaryotes D. plants