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If an organism has XX genes it is a?
If an organism has XX genes, it is typically female in species where females have two X chromosomes, such as in humans and many mammals.
Genes carried only x-chromosomes are said to be?
female cells
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.
What is it called when genes in a gene pair blend together?
They are the genes from the male and female genes , or the X and Y chromosomes. The dominate genes is featured in the offspring.
What is a sex chromosmoes?
Sex chromosomes are genes and DNA you get from both of your parents. They can either be X or Y (X being female, Y being male) which determine your gender. A human has 2 sex chromosomes.
What will happen if a human receives the genes x and x not x and y?
Gene x and y are the sex chromosome in karyotype of human. If an individual receive both gene x but not x and y,then that individual is a female or simply she.Remember that the chromosome is the composition of nucleus which determine how your physical body is.(either you are a girl or a boy,with dark skin or fair skin,etc)
Which chromosome carries the genes that determine the sex of a child as either male or female?
The chromosome that carries the genes determining the sex of a child as male or female is the X and Y chromosomes. Males have one X and one Y chromosome, while females have two X chromosomes.
Why does an embryo with 2 X chromosomes develop into a female?
An embryo with 2 X chromosomes develops into a female due to the presence of genes on the X chromosomes that promote the development of female reproductive structures and characteristics. These genes lead to the production of hormones that guide the development of female features during prenatal development.
Human sex-linked traits involve genes on?
the X and Y chromosomes
Do only some of the genes located on the X chromosome control female sexual characteristics?
Yes, not all genes located on the X chromosome control female sexual characteristics. The SRY gene on the Y chromosome is responsible for male sexual development. However, genes on the X chromosome like the XIST gene are involved in the regulation of X chromosome inactivation, a process critical for normal development in females.
Why genes in the X chromosome of males are always expressed?
Genes in the X chromosome of males are always expressed because males have only one X chromosome, so there is no second copy to mask the expression of genes. This is different from females, who have two X chromosomes and undergo a process called X inactivation to balance gene expression between the X chromosomes.
Most sex-linked genes are found on which chromosome x y?
Many sex-linked genes are found on the X chromosome. More than 100 sex-linked genetic disorders have now been mapped to the X chromosome. The human Y chromosome is much smaller than the X chromosome and appears to contain only few genes.
