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The 23rd chromosome is the sex chromosome. It is either an X or Y (strictly male) chromosome. When the sperm and egg cells fuse, they combine into 46 chromosomes with either two X chromosomes or an XY pairing. If it is 2 X chromosomes, the zygote is a female. If it is an XY pairing, the zygote is a male.
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N humans what is chromosome pair 23 called?
sex chromosomes
What determines the 22ND pair of chromosome?
the sex, color blindness (the gene is on the X chromosome), other sex linked traits.
What are the X and Y chromosomes?
Everybody has 23 pairs of chromosomes, half they get from their mother and half from their father. The 23rd chromosome you have contains the information of what sex you are. If you are a girl you will have a X chromosome from your mother and and X chromosome from you father. If you are a boy it means you will have a X chromosome from your mother and a Y chromosome from your father. When a sperm cell fertilises an egg the sperm will either be carrying the X chromosome from the male or a Y. If the sperm is carrying a X it will pair with the X chromosome from the mother making the baby a girl. If the sperm is carrying a Y chromosome it will pair with the X chromosome from the mother making the baby a boy! This means it is all down to the father whether the baby is a boy or a girl.
What are sex chromosomes in a human male?
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.
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 is gender inheritance?
Gender is inherited from your parent's 23rd chromosome. The (XX) chromosome pair is for a female and the (XY) chromosome pair is for a male. You get a (X) chromosome from your mother because she has two (x)'s. Her 23rd chromosome is (XX). It's your father's chromosome that determines what gender you are. His 23rd chromosomes were (XY). If you get an (X) from him, you become a girl. If you get a (Y) chromosome from him, you become a boy. This all happens when your mother's egg is fertilized.
Do chromosome map percentages represent actual chromosome distances?
YES
Is it true or false that the 23rd chromosome pair determines the gender of a child?
TRUE.
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.
Is color blindness a result of translocation or deletion?
none. its a slight mutation in 23rd x chromosome
What is the diploid number of an organism represent?
number of chromosome
What is the sex determiner?
Sex is determined by the 23rd pair of chromosomes (in humans). You get an X chromosome from your mother and an X or Y chromosome from your father. If you are XX, you are female. If you are XY, you are male.
Which chromosome contains sex linked genes?
Both X and Y chromosomes i.e. Allosome 23rd pair contains sex linked genes.
N humans what is chromosome pair 23 called?
sex chromosomes
What determines the 22ND pair of chromosome?
the sex, color blindness (the gene is on the X chromosome), other sex linked traits.
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 determines the sex of the human?
The genes that are carried in the sperm to the ova. If the 23rd chromosome of the sperm is 'X', the offspring will be female. If it is 'Y', the offspring will be male.
