Incomplete dominance is the expression of a phenotype that is intermediate to those of the parents
a. True
b. False
ANSWER: True
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Eyelash length is an inherited trait. In the human population, there is an eyelash length gene. There are two possible variants of this gene - an allele for long eyelashes (> 1cm) and an allele for short eyelashes (1 cm or less). The allele for long eyelashes is dominant (L) and the allele for short eyelashes is recessive (l). An individual who is heterozygous for eyelash length would have which
of the following phenotypes? A. ll B. LL C. Ll D. Long eyelashes E. Short eyelashes
In bacteria, genes that are often used together are controlled by a single promoter. Explain why this is the case
What will be an ideal response?
Ca2+-calmodulin stimulates phosphorylation of myosin by
A) Ca2+-ATPase. B) focal adhesion kinase. C) myosin light chain kinase. D) ryanodine receptor. E) titin.
A DNA microarray (also called a DNA chip) can be used to ________
A) isolate genes from eukaryotic cell nuclei B) scan a population of nucleic acids for abundance and mutations C) assay protein output from a genomic database D) mutate genes of interest E) trap genes that are both active and inactive