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What element is responsible for determining male sex in humans?
The element responsible for determining male sex in humans is the Y chromosome.
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.
In humans the shorter of the sex chromosomes?
In humans, the Y chromosome is noticeably shorter than the X chromosome.
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?
Describe where the human SRY gene resides and its significance?
The human SRY gene resides on the Y chromosome. It is the sex-determining gene responsible for the development of male characteristics by initiating testis formation in the early embryo. Its significance lies in its role in determining the male sex in humans.
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?
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What is the biological sex of an individual with XY sex chromosomes in humans?
The biological sex of an individual with XY sex chromosomes in humans is typically male.
What is most important in determining whether a hair sample is male or female?
The presence or absence of specific sex chromosomes (XY for male, XX for female) is the most important factor in determining the gender of a hair sample. Other factors, such as hormone levels, can also provide clues to the sex of the individual from whom the hair sample came.
What role do sex chromosomes play in determining the biological sex of humans?
Sex chromosomes play a crucial role in determining the biological sex of humans. Typically, females have two X chromosomes (XX) and males have one X and one Y chromosome (XY). The presence of the Y chromosome triggers the development of male characteristics, while the absence of the Y chromosome results in the development of female characteristics. This genetic combination influences the development of reproductive organs and secondary sexual characteristics in humans.
What is the role of chicken sex chromosomes in determining the gender of chickens?
The role of chicken sex chromosomes in determining the gender of chickens is similar to that in humans. Female chickens have two Z chromosomes (ZW) and male chickens have one Z and one W chromosome. The presence of the W chromosome determines the chicken's gender as female, while its absence results in a male chicken.
Why do males determine the sex of the child in humans, as males have a Y chromosome?
Males determine the sex of a child in humans because they carry both X and Y chromosomes, while females carry two X chromosomes. During fertilization, the sperm from the male can carry either an X or a Y chromosome, determining the sex of the child.
