Do the father's or the mother's genes determine the sex of a baby?

Do the father's or the mother's genes determine the sex of a baby?
Technically, the father determines the sex of the offspring. There are two sex chromosomes: the "X" and the "Y". If an embryo has "XX", it will develop into a female, while the "XY" combination results in a male offspring.

To understand why, a little knowledge of Miosis is needed (this is the process by which sex cells are created (eggs and sperm)). Miosis is related to Mitosis, in that the end result is the creation of two cells from one. Miosis, however, ensures that half the genetic material is handed to each "daughter" cell, while Mitosis results in equal and even distribution (cock) of genetic material.
If all men are "XY" (they are), then the process is pretty straightforward: Each of the sperm must have half the normal genetic material. This means that each must have either an "X" or a "Y" chromosome. If you're a dude, 50% of the sperm will result in male offspring, and 50% will result in female. Females have two "X" chromosomes, so even when only half is replicated, there's a 100% chance an "X" is present. Everyone needs two sex chromosomes to grow, so, therefore, if 100% of the time the mom is giving an "X", and half the time the pop is shooting "X"'s and "Y"'s, it's fully the dad's genes that decide of the offspring is male or female.
+ 35 others found this useful
Thanks for the feedback!
In Sikhism

What is guru angad dev ji father's or mother's name?

Shri Guru Angad Dev JiFather name is Pheru Ji. Shri Guru Angad Dev Ji is the son of Pheru Ji. Shri Guru Angad Dev Ji mother is called Mata Ramo ji. The Mother had given birth (MORE)

What date are Mother's Day and Father's Day celebrated?

Mother's Day is celebrated on the second Sunday of May and Father's Day is celebrated on the third Sunday of June in many countries. Some countries celebrate Mother's Day and (MORE)

Determining the Sex of a Baby by Ultrasound

With ultrasound technology, determine the sex of an unborn baby. To use ultrasound to determine the sex of your baby, the first step is to find a medical center that provides (MORE)

Understanding The Genetic Risk For Breast Cancer

Hereditary breast cancer is responsible for 5-10% of all cases in the United States. The most common gene responsible for hereditary breast cancer is a BRCA. Seeking the adv (MORE)

Methods for Determining the Sex of Your Baby During Pregnancy

The only way to truly, safely determine the sex of your baby during pregnancy is to get an ultrasound or sonogram at a doctor's office. There are plenty of other fun methods t (MORE)

Your mother's father's son is your what?

  Uncle   Answer   Your mother's father's son would be your uncle. 
Thanks for the feedback!

Boy or Girl? Determining Your Baby's Sex

Determining your child's sex during an ultrasound is one of the most anticipated moments of your pregnancy. Technicians look for key signs that indicate the sex of the child, (MORE)

Secrets To Sex After Baby

Let's talk about sex, baby, or rather having sex after you've had a baby. For many moms (and even some partners) having intercourse after having a baby is the last thing on t (MORE)

Telling a Baby's Gender From an Ultrasound

There are many contributing factors to determining a baby's sex from an ultrasound. These factors include quality of the ultrasound technology, how far into the pregnancy the (MORE)

Do Jehovah's Witnesses celebrate Mother's Day or Father's Day?

No, Jehovah's Witnesses do not celebrate Mother's Day or Father's Day. They only celebrate the Lord's Evening Meal.
Thanks for the feedback!

The Rights of the Birth Father During Adoption Proceedings

The rights of the birth father are sometimes questioned during adoption proceedings. The welfare of the child must always be on the minds of adults participating in these proc (MORE)