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A person whose 23rd pair of chromosomes is XY?
female
One of the pair of chromosomes that determines the sex of an individual?
The 23rd pair in a karyotype shows if it will be male or female
In the 23rd pair of chromosomes a normal girl has?
In the 23rd pair of chromosomes, a normal girl has two X chromosomes (XX). This pair determines her female sex characteristics and plays a crucial role in various genetic traits. Any abnormalities in this pair can lead to conditions such as Turner syndrome or other chromosomal disorders.
Why is the 23rd pair of chromosomes not always homologous?
The 23rd pair of chromosomes are the sex chromosomes. In female humans, both sex chromosomes are homologous, and characterized as XX. In male humans, one sex chromosome is an X chromosome and the other is a much smaller, nonhomologous Y chromosome, and is characterized as XY.
What is the 23rd pair of chromosomes that differ in males and females called?
The 23rd pair of chromosomes that differ in males and females is called the sex chromosomes. In females, the 23rd pair consists of two X chromosomes (XX), while in males, it consists of one X and one Y chromosome (XY).
What is the chromosome pair XX?
Generally, since the sex determining region is on the Y chromosome, this person is male. The SRY is a gene control area that determines male sex. Female is the default body plan in humans; males are made.
What kind of chromosomes do the body cells of humans have?
All Human Body Cells, also called somatic cells, have 46 chromosomes. These 46 occur is 23 pair. The first 22 pair are called autosomes. The 23rd pair are the sex chromosomes, xx for female, xy for male.
Trisomy 21 Down syndrome xxy kleinfelter syndrome and xo turner syndrome are all caused by?
Nondisjunction -Trisomy 21(Down Syndrome) means there are 3 chromosomes on the 21st pair of chromosomes. -Kleinfelters (XXY) means there is an extra chromosome on the 23rd pair(where the sex chromosomes lie). -Turner Syndrome(XO) On the 23rd pair, there is no Y or second X chromosome. The female can survive with this.
What does the 23rd pair of chromosomes look like for girls and are they the same for boys?
girls have XX as their 23 pair and guys have XY....thats what determines if you are a male or female, the X or the Y and you get that chromosome from your father.
The 23rd pair of chromosomes that differ in males and females are?
During the process of meiosis that sex cells undergo, the chromosome set is halved from 46 to 23 chromosomes. This way, the combined chromosome sets of two sex cells after fertilization result in a full set again.
How do the made chromosomes differ from those of the female?
most of the chromosomes are the same, regardless of gender. the 23rd chromosome pair in males is XY and in females it's XX.
N humans what is chromosome pair 23 called?
sex chromosomes
