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What is the 23rd pair of chromosomes in the female?
x and y
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
What determines the 22ND pair of chromosome?
the sex, color blindness (the gene is on the X chromosome), other sex linked traits.
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 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.
Is it true that in humans the are 23 pairs of matching homologous chromosomes called autosomes?
No, 22 pairs of chromosomes are autosomes. The last, or 23rd, pair are sex chromosomes.
What are heterosomes?
Heterosomes are the sex chromosomes, i.e.: the 23rd pair of chromosomes in a karyotype. In a human female these are XX, and in a human male they are XY.
How many chromosomes manual for your body?
Each human normally has 46 chromosomes separated into 23 pairs. In males, the 23rd "pair" is not really a pair since males have an X and a Y sex chromosome.
Which chromosome contains sex linked genes?
Both X and Y chromosomes i.e. Allosome 23rd pair contains sex linked genes.
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.
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.
