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..
Vegetables that produce fruit (tomatoes, peppers, eggplant, squash) are the ones that need full sun-but these can easily be grown in containers on a sunny patio. Container gardening is a wonderful way to grow your vegetables.ome seeds do best in cool soil (lettuce, peas, radishes) others need warm soil (tomatoes, squash, corn) to grow. All plants need some warmth to grow, some more than others. We do have some control over this basic need as we can supply plants with extra heat using heating pads, cold frames, plastic or cloth covers.