#Question id: 3278
#Section 2: Evolution
What does the biological species concept use as the primary criterion for determining species boundaries?
#Question id: 3279
#Section 2: Evolution
Which two of the following have operated to increase divergence between mosquito fish populations on island?
a. improved gene flow
b. bottleneck effect
c. sexual selection
d. founder effect
e. natural selection
#Question id: 3281
#Section 2: Evolution
One population X has 750 AA, 0 Aa, and 250 aa; the other Y has 500 AA, 500 Aa, and 0 aa. After one generation of random mating, the genotype frequencies X and Y respectively if the population size remains 1,000.
#Question id: 4730
#Section 2: Evolution
Cross is made between a pure breeding plant having red coloured male flowers with a pure breeding plant having white colored female flowers. All of these offspring are white colored flower. Upon selfing of these F1 red flower plant produced both red and white flower. Which of the following is conclusion of these cross?
#Question id: 3283
#Section 2: Evolution
if the forward ( p in to q) and reverse ( q in to p) mutation rates for alleles at a locus are 1×10−1 and 1×10−2 per generation, respectively and the allelic frequencies are p = 0.20 and q = 0.80. if you assuming random matting population. Which of the following observation correct?
#Question id: 3284
#Section 2: Evolution
The fitness of three genotype are A1A1 < A1A2 = A2A2) Which of the following observation correct?