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What might happen if an egg cell received two X chromosomes during meiosis instead of one?
The offspring could have three X chromosomes or two X chromosomes and a Y chromosome.
What indicates the number of copies of the basic number of chromosomes?
The term ploidy indicates the number of complete sets of chromosomes in a cell. This can be haploid (one set of chromosomes), diploid (two sets), triploid (three sets), and so on. For example, humans are typically diploid, with two sets of 23 chromosomes each.
What is the term for having two chromosomes of each pair- Normal body cells?
Diploid is the term for cells that contain two chromosomes of each pair. Euploid is a term meaning normal body cells.
How many chromosomes do hela cells have?
HeLa cells are known to have a triploid karyotype, which means they have three sets of chromosomes instead of the usual two sets found in diploid cells. This results in HeLa cells having around 69-82 chromosomes.
Why is it that a mongoloid person have 65 chromosomes?
People with Down syndrome, also called mongoloidism have 47 chromosomes. Having 65 chromosomes would be lethal, as normally having 47 chromosomes is lethal. Down syndrome is also known as trisomy 21, because instead of two copies of chromosome 21, a person with Down syndrome has three copies, which accounts for the 47th chromosome.
What might happen if an egg cell received two X chromosomes during meiosis instead of one?
The offspring could have three X chromosomes or two X chromosomes and a Y chromosome.
How is Down syndrome cause?
Down's sydrome is caused by trisomy 21, when there are three 21st chromosomes instead of the normal two.
Can someone have less than 46 chromosomes?
It is certainly possible to have more than 46 as in Trisomy 21 (or down syndrom) where "one cell has two 21st chromosomes instead of one, so the resulting fertilized egg has three 21st chromosomes".
What indicates the number of copies of the basic number of chromosomes?
The term ploidy indicates the number of complete sets of chromosomes in a cell. This can be haploid (one set of chromosomes), diploid (two sets), triploid (three sets), and so on. For example, humans are typically diploid, with two sets of 23 chromosomes each.
What is the term for having two chromosomes of each pair- Normal body cells?
Diploid is the term for cells that contain two chromosomes of each pair. Euploid is a term meaning normal body cells.
In one kind abnormal chromosome inheritance called down syndrome a child has three copies of?
an adnormal number of chromosomes ofter results in
How many chromosomes do hela cells have?
HeLa cells are known to have a triploid karyotype, which means they have three sets of chromosomes instead of the usual two sets found in diploid cells. This results in HeLa cells having around 69-82 chromosomes.
What is the Term for an organism with the chromosome designation 3n?
An organism with the chromosome designation 3n is called triploid. Triploid organisms have three sets of chromosomes instead of the usual two sets found in diploid organisms. This can lead to infertility and developmental abnormalities in some species.
What is the term that describes the condition in which a cell contains two sets of homologous chromosomes?
The term that describes the condition in which a cell contains two sets of homologous chromosomes is "diploid." In humans, diploid cells have a total of 46 chromosomes, with 23 pairs of homologous chromosomes.
What is a polyploidi?
An organism that contains more than two sets of chromosomes.
What type of chromosomes are found in fruit flies?
Fruit flies have three pairs of chromosomes, two autosomes and one pair of sex chromosomes (XX in females and XY in males).
Why is it that a mongoloid person have 65 chromosomes?
People with Down syndrome, also called mongoloidism have 47 chromosomes. Having 65 chromosomes would be lethal, as normally having 47 chromosomes is lethal. Down syndrome is also known as trisomy 21, because instead of two copies of chromosome 21, a person with Down syndrome has three copies, which accounts for the 47th chromosome.
