The fish in a certain population average 10 millimeters in l…
The fish in a certain population average 10 millimeters in length. Imagine that a population of predatory birds arrives in the area, but they cannot eat fish longer than 15 millimeters. After a decade, if the fish average 14 millimeters in length, what probably happened?
Read DetailsThe ant Myrmecia pilosula has the smallest number of chromos…
The ant Myrmecia pilosula has the smallest number of chromosomes possible in a eukaryote: females possess only one pair of chromosomes, and males have only one chromosome! Put another way, female M. pilosula can be described as having the haploid condition n = 1 and the diploid condition 2n = 2. Based on this scenario as well as your knowledge of gamete formation, a female M. pilosula can produce gametes with ________ different sets of chromosomes.
Read DetailsA farmer noticed that two of her cotton plants produce cotto…
A farmer noticed that two of her cotton plants produce cotton with a slight greenish hue. By repeatedly crossing the greenish plants, she has produced a variety of deep-green cotton without the use of any dyes. This is an example of:
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