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Which chromosome carries a gene which is essential for maleness?
The Y chromosome carries the SRY gene (Sex-determining Region Y) which is essential for male sexual development. The SRY gene triggers the development of male sex characteristics during fetal development.
Which human chromosome carries the gene for the enzyme telomerase?
Chromosome 5.The gene is known as TERT (or, in humans, hTERT) and is the most distal gene on the short arm of chromosome 5 (5p). Its location is 5p15.33. For more detail, see the link below.
Why can females but not males be carriers of sexlinked genetic disorders?
Several genetic disorders are caused by genes on the X chromosomes.
Explain why a woman carrying a gene for hemophlia can produce hemophilic sons when she is mated with a normal male?
A woman carrying a gene for hemophilia is typically a carrier with one X chromosome carrying the hemophilia gene and one X chromosome carrying the normal gene. When she is mated with a normal male who has one X chromosome and one Y chromosome, there is a 50% chance that the son will inherit the X chromosome carrying the hemophilia gene from the mother. Since males have only one X chromosome, if they inherit the hemophilia gene, they will express the disorder.
Why are most sex-linked traits found in the X chromosome?
Most sex-linked traits are found on the X chromosome because males have only one X chromosome, so any gene on the X chromosome will be expressed in males. In females, who have two X chromosomes, one X chromosome can compensate for any harmful gene on the other X chromosome.
On which chromosome is the defective gene located in Hurler's syndrome?
The defective gene in Hurler syndrome is located on chromosome 4. This gene carries instructions for making an enzyme called alpha-L-iduronidase, which is essential for breaking down certain complex molecules in the body. When this gene is mutated, the enzyme is deficient, leading to the accumulation of harmful substances in the cells.
Which chromosome carries a gene which is essential for maleness?
The Y chromosome carries the SRY gene (Sex-determining Region Y) which is essential for male sexual development. The SRY gene triggers the development of male sex characteristics during fetal development.
True or False A mutation is the part of a chromosome that carries information about a trait?
False. A mutation refers to a change in the DNA sequence of a gene or chromosome, not the specific part of a chromosome that carries information about a trait.
Which human chromosome carries the gene for the enzyme telomerase?
Chromosome 5.The gene is known as TERT (or, in humans, hTERT) and is the most distal gene on the short arm of chromosome 5 (5p). Its location is 5p15.33. For more detail, see the link below.
Why can females but not males be carriers of sexlinked genetic disorders?
Several genetic disorders are caused by genes on the X chromosomes.
Is a mutation part of a chromosome that carries information about a trait?
no. what you described is a gene. a mutation is a change in the DNA which can sometimes change a gene
A short and simple definition of gene?
A gene is a part of the chromosome what is linked to your DNA it carries the proteins which make you, you! Factors that control traits.
Explain why a woman carrying a gene for hemophlia can produce hemophilic sons when she is mated with a normal male?
A woman carrying a gene for hemophilia is typically a carrier with one X chromosome carrying the hemophilia gene and one X chromosome carrying the normal gene. When she is mated with a normal male who has one X chromosome and one Y chromosome, there is a 50% chance that the son will inherit the X chromosome carrying the hemophilia gene from the mother. Since males have only one X chromosome, if they inherit the hemophilia gene, they will express the disorder.
What various types of genetic material in order from simplest to most complex?
nucleus → chromosome → gene
List these in order from smallest to largest chromosome gene cell?
Smallest to largest: Gene (a place on a chromosome); chromosome (there are 46 in human cells); and DNA (because it accounts for all the genetic material in a cell).
Why are most sex-linked traits found in the X chromosome?
Most sex-linked traits are found on the X chromosome because males have only one X chromosome, so any gene on the X chromosome will be expressed in males. In females, who have two X chromosomes, one X chromosome can compensate for any harmful gene on the other X chromosome.
What chromosomes determine male sex?
The Y chromosome is the chromosome that determines male sex. It carries the SRY gene that triggers the development of male characteristics during embryogenesis.
