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When the egg is fertilized, the sex of the embryo is automatically determined by the sperm with the X and Y chromosomes. However, you cannot know (see) until after the fifth month of pregnancy when the genitals have been developed.

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15y ago

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Sex in human beings is determined by?

Chromosomes


Does food eaten by the mother affect the sex of the human embryo?

No. The sex of the embryo is determined at the time of conception.


Is the sex of a human determined by a female?

No it is determined by the male. Take King Henry VIII he had 3 girls and 1 boy with 7 wives.


Is human eye color a sex linked character?

No, human eye color is not a sex-linked trait. It is determined by multiple genes and is inherited in a complex manner involving both genetic and environmental factors.


What determines the sex in humans, and how is it determined by sex chromosomes?

The sex of a human is determined by the presence of sex chromosomes. Females have two X chromosomes (XX), while males have one X and one Y chromosome (XY). The combination of sex chromosomes inherited from the parents at conception determines the biological sex of the individual.


What is the difference between 'sex-liked' and 'sex-determined'?

Sex-liked means liking sex and sex determined is the resolution to have sex.


What are the difference between sex and sexuality?

Human Sexuality can be defined/determined by different things: Sex in biology, gender identity, sexual orientation, animal sexual behavior, and plant sexuality. Sex is generally the ACT of sex.


Is the sex of a human offspring determined by the mother fathe r or neither?

Technically, the sex is determined by the father. The egg is always an x chromosome. The sperm can be either an x or a y chromosome. An xx makes a female, and an xy makes a male.


Which chromosome determines a human s sex?

The sex of a human is determined by the presence of two sex chromosomes. Typically, males have one X and one Y chromosome (XY), while females have two X chromosomes (XX). The presence of the Y chromosome determines male development.


What determines the sex of a human?

Whether they have 2 X chromosomes= girl, of one X chromosome and one Y chromosome= boy


What term refers to the biological dimension of being a male or female human being?

Sex is the term that refers to the biological dimension of being a male or female human being.


Is the sex of a second child determined by the sex of the first?

No, the sex of the second child is determined independently of the sex of the first child. The chances of having a boy or a girl are generally close to 50/50 regardless of the sex of any previous siblings.