All you need to make homemade yogurt is a half gallon of milk and about a half cup of yogurt. Whole or 2% milk will make the thickest, creamiest yogurt, but you can also use skim milk if you like. For the yogurt, either Greek or regular yogurt is fine, but avoid any flavorings; stick to plain, unflavored yogurts.
Guide. Karyotype is a test to identify and evaluate the size, shape, and number of chromosomes in a sample of body cells.Extra or missing chromosomes, or abnormal positions of chromosome pieces, can cause problems with a person's growth, development, and body functions. Find out whether a chromosome defect is present in a fetus. 2  Karyotyping also may be done to find out whether chromosomal problems may have caused a fetus to be stillborn. 3  Find out the cause of a baby's birth defects or disability.
Twenty-two of the paired chromosomes are similar in males and females and are called autosomes. In the female, the twenty-third pair consists of two X chromosomes. In the male, the twenty-third pair consists of one X chromosome and one Y chromosome. A karyotype is a pictorial representation of an individual's chromosomes. Cell division and chromosome duplication. The fertilized egg, or zygote, begins as one cell containing forty-six chromosomes, and the number of cells increases by mitosis, a process of cell division that produces new cells containing duplicates of all forty-six chromosomes. The gametes are formed by a process of cell division called meiosis.