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Why was the X and Y letters used to refer to male and female chromosomes?
because.
What combination of sex chromosomes produce a male?
Xy=male xx=female
Which combination of chromosomes results in a male human being?
XY
Which combination of sex chromosomes result in a male being?
XY
What is combination of chromosomes XY for fraternal twins?
If two fraternal twins have the XY sex chromosomes, they will be male.
What kind of chromosomes are in a normal male fruit fly?
A normal male fruit fly has two sets of chromosomes: one set of X and one set of Y chromosomes. This combination determines the male sex of the fruit fly.
What is the sex chromosomes of male?
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.
What combination of chromosomes is a female an a male?
Normal females have XX chromosomes and normal males have XY chromosomes. I believe there are two of each in a human body and the rest are autosomes.
How can you identify the difference of a female chromosome and a male chromosome?
What differentiates a male from a female based off the chromosomes that are present is that a male organism will have X and Y chromosomes whereas a female organism will have X and X chromosomes.
What is the male genotype?
Maleness is not a genotype but a combination of sex chromosomes. A normal human male has an X as well as a Y chromosome.
What combination of sex chromosomes resulting a male human being?
A male human has one X and one Y sex chromosome.
What are male sex chromosomes and how do they determine the biological sex of an individual?
Male sex chromosomes are the X and Y chromosomes. The presence of a Y chromosome typically determines male biological sex, while the absence of a Y chromosome typically results in female biological sex. The combination of sex chromosomes inherited from parents determines an individual's biological sex.
