The majority of autosomal aneuploid conditions are lethal, but sex chromosome aneuploids are usually not lethal
Indicate whether the statement is true or false
TRUE
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If the Tn10 transposon is used to mutagenize a bacterium for the purpose of creating a mutation in the his operon, what would be the most appropriate selection media?
A) rich media that contains all of the amino acids supplemented with tetracycline B) minimal media supplemented only with histidine C) minimal media supplemented with tetracycline and histidine D) minimal media supplemented with tetracycline alone
Which organelle increases in size, causing plant cells to elongate?
a. chloroplast b. mitochondrion c. nucleus d. ribosome e. vacuole
Nudibranchs usually have two rhinophores. However, if they had a single rhinophore, it could still carry out the function of two rhinophores, and with similar effectiveness, if this single rhinophore _____
A) had two branches, one directed to the left, the other to the right B) was located within the mantle cavity C) was as long as two rhinophores placed end to end D) had cilia whose power strokes directed water away from the surface of the slug
Several groups of protists have variable modes of nutrition: Some species are photoautotrophs, whereas close relatives are heterotrophs. Such diversity even exists within a single species in some cases. Evidence suggests that this pattern is a result of the __________.
Fill in the blank(s) with the appropriate word(s).