In humans, the ability to roll the tongue is a dominant trait. the inability to roll the tongue is a recessive trait. if two individuals homozygous recessive for this trait have a child, what is the chance that the child will be able to roll his tongue? 50% 25% 100% 0%

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

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