Expecting a baby totally changes your lifestyle. The most important discussion among everyone, whether the baby will be a girl or a boy? How will he look when he grow up? Many more questions like that...all the answers are revealed by Genetics.
A baby gets 23 chromosomes from both- mother and father. There are 60,000 to 100,000 genes in 46 chromosomes of a human being. Thus with all the possible combinations of genes, a single pair of parents has the potential to produce about 64 trillion different children. So, this is totally impossible to predict, how the baby will look like.
More questions? Read the whole story...
Actually, the reason behind the gender of your baby is chromosome X and chromosome Y. If an X-carrying sperm fertilizes an egg, then you will be surprised with a baby girl else you will be gifted a baby boy!
The color of eyes is determined by the amount of brown pigment or melanin in the iris. Dark color eyes have large amounts, blue eyes have got very little, and other colors as green and hazel have the varying amount of melanin.
Generally, dark color of hair is superior over the light color. The beautiful color of the baby's hair depends on the colors or pigments of both the parents have. Even surprise colors can certainly appear other than the parent's hair color.
This happens by chance when a single fertilized egg divides into 2 embryos. According to genetics, if the tendency of a woman to ovulate more than 1 egg at a time, twin babies will be born from 2 separate eggs and 2 sperms. Heredity also increases the chances.
Many facial characteristics like facial symmetry, dimples, widow's peak and are believed to be hereditary and filter down through the generations.
Genetics is unpredictable; it cannot decide whether your child may grow to be taller than the taller parent or shorter than the shorter one. One of the powerful factors in your child's ultimate height is nutrition and health.
Many of the personality tendencies are genetically hardwired from birth. But surrounding also has a huge influence on behavior.
It is impossible to guess if the baby is slim or overweight. When both the parents are obese then the child will likely overweight too.
DNA proves the bonding between you and your baby. If your baby loves you more than her father then she has more DNA passed from you.