In what way might gene duplication play a role in evolution?
What will be an ideal response?
In 1970, Ohno proposed that gene duplication provides a way in which new genes arise. By duplicating a gene, the duplicated copy or the original gene is able to mutate without necessarily having an adverse influence on the phenotype.
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The minimum amount of energy needed to get a chemical reaction started is called the ___ energy.
a. activation b. reaction c. enzymatic d. chemical e. triggering
A woman heterozygous for color blindness (an X-linked recessive allele) marries a man with normal
color vision. What is the probability that their first child will be color-blind? a. 25 percent b. 50 percent c. 75 percent d. 100 percent e. 0 percent
The hormone that stimulates the development of the follicles in the ovaries of females is the ________
Fill in the blank(s) with correct word
A duplicated chromosome consists of two sister chromatids
Indicate whether the statement is true or false