Although mating in yeast strains leads to sexual reproduction, asexual reproduction by budding predominates when cultured on rich growth medium.
Answer the following statement true (T) or false (F)
True
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Which of the following statements is TRUE?
A. Interphase chromosomes are loosely compacted, overlapping, and intertwined with each other within the nucleus. B. Interphase chromosomes are loosely compacted and do not associate with histones until the cell is preparing to divide. C. Interphase chromosomes are also known as euchromatin. Condensed, metaphase chromosomes are also known as heterochromatin. D. Radial loop domains are formed due to interactions between 30 nm fibers and intermediate filaments. E. None of these are TRUE
A corridor with low functional connectivity for certain species undergoes
A) a filter effect. B) island biogeography. C) a strip corridor. D) an edge effect.
In the human heart, ____.
A. ventricle walls are more thickly muscled than the atrial wall. B. atrial contraction helps to drive blood circulation throughout the body. C. the right ventricle has thicker walls than the left ventricle. D. the left ventricle pumps blood to the lungs. E. the atrial walls are as thick as the ventricle walls.
Greater prairie chickens, large birds related to grouse, once maintained population size of hundreds of thousands on the North American Great Plains
As more and more of the native grassland was converted to farms, the greater prairie chickens nearly went extinct due to a loss of habitat. Assume that a locus segregating for two alleles, A and a, each with a frequency of 0.5, existed in the greater prairie chickens before the loss of habitat. Further assume that this species was fragmented into genetically isolated populations each with a very limited number of individuals. What would one expect in terms of allele frequencies in the greater prairie chicken populations after the reduction in native grasslands? What will be an ideal response?