Humans have 23 pairs of chromosomes, for a total of 46 chromosomes. In fact, each species of plants and animals has a set number of chromosomes. A fruit fly, for example, has four pairs of chromosomes, while a rice plant has 12 and a dog, 39. Top of page.
The germination time for grass seed ranges from 5 to 30 days depending on the variety. It can be even longer than this in cooler temperatures. This is how long it will take to actually see the grass growing. Until this point, the seed, or the soil and mulch in contact with the seed, must stay moist.
When to Plant Fescue Grass Seed - A Cool Season Grass. Cool season grass such as Fescue, will germinate best when the soil temperatures are between 50 and 65 degrees F. These soil temperatures usually occur when the daytime air temperatures are between 60 and 75 degrees. The fescue grasses, when planted properly, germinate within 10 to 14 days.