Females have two copies of the X chromosome, while males have one X and one Y chromosome. The 22 autosomes are numbered by size. The other two chromosomes, X and Y, are the sex chromosomes. This picture of the human chromosomes lined up in pairs is called a karyotype.In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46.Twenty-two of these pairs, called autosomes, look the same in both males and females. The 23rd pair, the sex chromosomes, differ between males and females.emales have two copies of the X chromosome, while males have one X and one Y chromosome. The 22 autosomes are numbered by size. The other two chromosomes, X and Y, are the sex chromosomes. This picture of the human chromosomes lined up in pairs is called a karyotype.
In the book Carrots Love Tomatoes it says Don't plant tomatoes near corn because the tomato and corn earworm are identical..
Grow tomatoes in full sun. Tomatoes require warm, well-drained but moisture retentive soil rich in organic matter. Tomatoes will produce earlier in light, sandy soil, but the yield will be greater in heavier, loamy soil. Add aged compost to planting beds in advance of planting.Tomatoes prefer a soil pH of 5.5 to 6.8.row tomatoes in full sun. Tomatoes require warm, well-drained but moisture retentive soil rich in organic matter. Tomatoes will produce earlier in light, sandy soil, but the yield will be greater in heavier, loamy soil. Add aged compost to planting beds in advance of planting.