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What types of chromosomes in humans determines the gender of the baby?
Wiki User
∙ 12y ago
The sex chromosomes...XX for a female, XY for a male, with some other relatively rare variations.
Wiki User
∙ 12y ago
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Humans have what kind of chromosomes?
4 basic types of chromosomes , metacentric , submetacentric , acrocentric and telocentric .
Which kind of chromosomes are necessary to produce a female?
There are two types of chromosome, called X and Y. Semen contains X sperm and Y sperm. If the Y sperm fertilises the female ovum, the child will be male. If the X sperm fertilises the female ovum, the child will be female. A man's chromosomes will be XY and a woman's chromosomes will be XX. The man's sperm always determines the gender of the baby.
How many x chromosomes are typically expressed in humans and cats?
Humans have basically 23 pairs of chromosomes while cats have 19 pairs of chromosomes. Humans: females= 46 X chromosome, males= 45 X chromosomes, 1 Y chromosome. Cats: Females =38 X chromosomes, m ales= 37 X chromosomes, 1 Y chromosome.
What are the differences between autosomes and sex chromosomes?
Autosomes are the chromosomes that are not the sex chromosomes. 22 of the 23 pairs of human chromosomes are autosomes and the final 23rd pair are the sex chromosomes, one of each received by the offspring by the parental generation (one from the mother and one from the father). Moreover, the sex chromosomes dictate the sex of the offspring; males have XY and females XX in most cases, but as long as there is a Y chromosome, the offspring is considered a male.
Can there be a DNA without sex cells?
DNA is not made up of cells. It is comprised of 4 types of nucleic acid bases arranged in different orders. Second, there is no such thing as a "sex cell". what most people would think of as "sex cells" are sperm and egg cells. DNA strands are packaged into chromosomes. Humans have 48 chromosomes (23 from mom, and 23 from dad, plus 1 sex chromosome from mom, and 1 from dad. Males have an X and a Y chromosome, whereas females have 2 Xs. This is what determines the gender of an organism.
How many sex chromosomes in a human gamete?
There are 46 chromosomes in humans, but 23 pairs of chromosomes.there are 2 sex chromosomes are in humans.
What are the types of blood for humans?
The four blood types for humans are: A, B, AB and OO. Also the RH factor determines is your blood type is RH negative (-) or RH positive (+). All blood types can then be classified as: A+, A-, B+, B-, AB+, AB-, O+ or O-.
How many chromosomes are there in each somatic cell?
That depends on the organism you're looking at. In humans, there are 46 chromosomes per normal somatic cell. 46 chromosomes = 22 homolog pairs + 2 sex chromosomes (XX in women or XY in men)
What types of cells are seen in chromosomes?
Cells are not found in chromosomes. Chromosomes are found in cells.
What are genes called that are located on sex chromosomes?
genes located on sex chromosomes are called sex-linked genes. In humans, there are two types of sex chromosomes: X and Y chromosomes.Genes located on the X chromosome are called X-linked and genes located on the Y chromosome are called Y-linked chromosomes.
4 What determines the sex of a baby at the time of fertilization?
The sex of a baby at fertilization is determined by the chromosomes the baby possesses. If these chromosomes are XY it's a boy. If they are XX, it's a girl. http://en.wikipedia.org/wiki/XY_sex-determination_system
The XX and XY chromosomes which are responsible for the inheritance of gender?
female eggs r all same having 22+x as genetic material..but male sperm is of 2 types 22+x &22+y...if 22+x crosses with egg,it result in44+xx which is a female...but if 22+y crosses with egg,it result in 44+xy i.e.male
