0
Because the male has the differing chromosomes.
Wiki User
∙ 8y ago
Add your answer:
Earn +20 pts
Testis-determining factor is found in or on?
Testis-determining factor (TDF) is found on the Y chromosome of mammals. It is a gene called SRY (sex-determining region Y) that plays a crucial role in the development of testes and the determination of male sex characteristics.
Which sex chromosome determines if an offspring is male or female in humans?
In humans, which sex chromosome determines if an offspring is a male or female?
What are the sex chromosomes of male human being?
Normal male humans have the sex chromosomes XY. The presence of the Y chromosome determines sex in humans - so a person with XXY will be male.
What are the male sex chromosome in humans?
46
What is the male sex cell in the plant?
The Male sex cell, which is in the Anther or Stamen, is called a sperm just like the male sex cell in humans.
Who is responsible for sex determination in humans the male or the female parent?
The Male.
What is the male sex cell in plant called?
The Male sex cell, which is in the Anther or Stamen, is called a sperm just like the male sex cell in humans.
How can you sex somone?
Sexing is the act of determining the sex of an animal, so to sex a person, you need to look at their genitals and determine whether the subject is male or female.
What week of fetal life is the sex of an offspring determined?
At about the 8th week of pregnancy the sex determining region turns on as a master gene directing a series of fetal and hormonal changes. The genitalia are determined to be male ( female genitalia are suppressed ) and the fetal hormone surge begins. ( Testosterone ) As you should know female is the default sex in humans and without the SRY ( sex determining region ) the fetus would develope as a female.
What is the sex chromosomes of male?
In humans and other mammals, a male has XY sex chromosomes. In birds, a male has XX chromosomes. In amphibians, male chromosomes look the same as female chromosomes.
Why is human Y chromosome a marker for only the paternal and not the maternal human genetic lineage?
Because XY denotes male. The SRY region is on the Y chromosome. This is the sex determining region, males are made and females are the default condition in humans.
How verginity breaks?
By having sex with a male or female.Some humans make love to humans for unknown reasons.
