In a Hardy-Weinberg population with two alleles, A and a, that are in equilibrium, the frequency of allele a is 0.1. What is the percentage of the population that is heterozygous for this allele?
A) 90
B) 81
C) 49
D) 18
E) 10
Ans: D) 18
Biology & Microbiology
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Exergonic reactions do not require activation energy to get started since they release energy.
a. true b. false
Biology & Microbiology
The organization of tissues in Figure 34-2 is characteristic of:
a. a stem. b. a spine. c. a leaf. d. a bulb. e. a bud scale.
Biology & Microbiology
Cells that have a nucleus are referred to as ________ cells; those that lack a membrane-bound nucleus are called ________ cells
Fill in the blank(s) with correct word
Biology & Microbiology
What is the order of the layer of meninges from the innermost to the outermost?
a) Arachnoid mater, dura mater, pia mater b) Dura mater, arachnoid mater, pia mater c) Pia mater, dura mater, arachnoid mater d) Pia mater, arachnoid mater, dura mater
Biology & Microbiology