If it has a x and y chromosome it is from a male if it has two x chromosome or is from a female
The Y chromosome is the only chromosome that is specifically male, although of course, it does take a full set of 23 pairs of chromosomes to create a body, male or female.
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.
Female mammals have two X chromosomes in a diploid set and thus only produce homogametes, all of which have only X sex chromosomes. Males produce heterogametes, as they have one X and one Y sex chromosome in a diploid set. Half of a male's sperm cells contain X and half contain Y chromosomes.
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We call these sex chromosomes. Whether you are a male or female depends on the presence or absence of certain chromosomes. The sex chromosomes are the X chromosome and the Y chromosome. If you have two XX, you will show female characteristics and If you have XY you will show male characteristics.
When there joined with a male chromosomes and a female chromosomes
Female bees (the queen and all worker bees) have 16 pairs of chromosomes (32 chromosomes in all). Male bees (drones) hatch from an unfertilized egg, therefore they only have one set of 16 chromosomes.
XY chromosomes SDT
XY Chromosomes = Males XX Chromosomes = Females
They are passed on by male or female chromosomes.
There are 23 chromosomes in each sperm produced by a human male.
The two letters that express a male chromosomes combination is XY.