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What is the phenotype for XY?
xy chromosomes mostly fall on male gender.
The 23rd pair of human chromosomes tells the gender with xx being and xy being male which gender is karyotype?
XX is Female XY is Male
What determine's a persons gender?
The sex chromosomes. XX is female and XY is male.
What is the common gender of tiger?
boys
Does the egg sperm determine the gender of a human child?
The sperm. The egg is always an XX chromosome and the sperm can either by XX or XY if the sperm is XX it will be a girl if it is XY it will be a boy.Edit: Actually, all girls have XX chromosomes, and all boys have XY chromosomes. But eggs and sperm are gametes with half the chromosomes of the parents. So all eggs have X chromosomes, and sperm can have either an X or a Y chromosome.(So your intention in the answer was right, but just a small technical error.)
What is the gender when X-chromosome combine with Y-chromosome?
XY = Male XX = Female
Which pair of chromosomes tells your gender?
Sex chromosomes (XX = female and XY = male)
What is the chromosomal difference between girls and boys?
The 23rd chromosome in human DNA is called the sex chromosome, and it determines the gender of the baby. A chromosome of XX is unique to girls, and XY is for boys. http://www.genome.gov/10001772 This link is to the National Human Genome Research Institute, for more in-depth information.
Which gender is the best?
Boys
What is the assigned number of chromosomes in humans?
46 chromosomes or 23 pairs of chromosomes where 44+xx or 44+xy xx are girls xy are boys
Use a punnet square female male ratio?
1:1. 50% chance of having either gender. ....x x x xx xx y xy xy
What gender inherits the y-linked trait?
male, their sex chromosomes are XY, females are always XX
