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The sex chromosomes of a man are XY (vs. XX for a woman).
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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.
Why is human Y chromosome a marker for only the paternal and not the maternal human genetic lineage?
Because XY denotes male. The SRY region is on the Y chromosome. This is the sex determining region, males are made and females are the default condition in humans.
Describe how the karyotype of an XXY human would differ from that of an XO human?
The karyotype of an XO human would be deficient one X chromosome, compared to that of a normal female, and it would result in a female. Normal human females only use one X chromosome, whereby one is inactivated, which is why an XO human is viable. An XXY human would have one extra X chromosome as compared to that of a normal male, and it would result in a male. Again, an X chromosome is inactivated, which is why an XXY human is viable. XO is referred to as Turner Syndrome. XXY is referred to as Klinefelter Syndrome.
Describe where the human SRY gene resides and its significance?
It is the gene on the Y chromosome important for male development.
Why is there the chance that half of the zygotes will be female and the other half will be male?
The reason the chance of a zygote being a male of female is the same is due to simple genetics. Females only possess the X chromosome while males posses both an X chromosome and a Y chromosome. Since females only have an X chromosome they can only "give" an X chromosome while a male may give either an X or Y chromosome.
The male human is represented by sex chromosome of what?
xy
What sex chromosomes belong to a normal human male?
The human male has both an X and Y chromosome which determines the sex of an offspring. Female only have the X chromosome.
In human which sex chromosome determines if an offspring is a male or female?
In humans, which sex chromosome determines if an offspring is a male or female?
What combination of sex chromosomes resulting a male human being?
A male human has one X and one Y sex chromosome.
Are human males genes closer to other non human males then woman humans are?
Human male and female genes are more similar to each other than male-human and male-nonhuman genesWITH THE EXCEPTION OF THE Y CHROMOSOME.The Y chromosomes of male humans and the Y chromosome of male primates are more similar to each other than the Y chromosome of human males and the corresponding X chromosome of human females.I don't know how far this disparity extends but it MAY be true for the whole of the mammals.
What single attribute determines that a human fetus is male?
The presence of a Y chromosome.
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.
Does sperm contain x and y chromosome?
In humans the male sperm contains EITHER an X chromosome, or a Y chromosome since human gametes are haploid (n) in chromosome number.
The cells of a human male have which composition for their sex chromosomes?
A normal male will have one X and one Y chromosome.
How many chromosome does a mature skin cell in male human individual contains?
46
Name the 2 human gametes and tell their chromosome number?
The human gametes are Male gametes are sperm and female gametes are eggs. And the gametes chromosome numbers are 42.
How does the chromosomes effevt the human body?
Chromosomes effect the body by telling it if you will be male of female. XX is the chromosome for a female and XY is for male.
