Unique sequences make up approximately what percent of the human genome?
A. 5%
B. 25%
C. 40%
D. 80%
C
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In the British Columbia forest industry, there has been a history of cutting large areas (clear cutting) for timber, then replanting these areas with lodgepole pine and hybrid white spruce. Based on your understanding of "climax communities", explain the potential impact of these practices on forest biodiversity in BC
What will be an ideal response?
By definition, a direct parasitic life cycle includes two different species of hosts to complete its life cycle
a. true b. false
In a meristematic region, the cell plate during mitosis is perpendicular to the side of the stem. In what direction will the stem grow?
A) laterally in width B) vertically in height C) at a 45-degree angle from the ground D) away from the sun
Because an individual with an XX genotype is a female, is an individual with an XO (no second sex chromosome) a male?
a. No, because the X always overrides the Y and makes that embryo female. b. No, because the Y chromosome contains the gene that makes an embryo male. c. Yes, because if there is only one X, the embryo cannot become female. d. Yes, because all embryos start off as males.