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A trisomy. Trisomies are usually fatal in all chromosome pairs except 5, 13, 21 (these cause Down syndrome), and 23 (The chromosome pair that determines gender)

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Izabella Bins

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4y ago

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Related Questions

Is the cell that results from fertilization a haploid or a diploid?

It is fully diploid - chromosome configuration 2n -.


Which type of fertilization could result in Turner syndrome?

Chromosomal disjunction during meiosis leaving one of the gametes that meet in random fertilization short an X chromosome is the simplest fertilization mishap that results in Turner's syndrome. One X chromosome.


What happens if chromosome 21 does not separate in meiosis?

If chromosome 21 does not separate during meiosis, it can lead to a condition known as nondisjunction. This results in gametes with an abnormal number of chromosomes, specifically an extra copy of chromosome 21 in this case. If such a gamete participates in fertilization, the resulting embryo may develop into a person with Down syndrome, characterized by developmental delays and various physical features. This condition arises due to the presence of three copies of chromosome 21, a phenomenon called trisomy 21.


What condition results when a child is born with extra chromosome on the twenty -first pair?

Down syndrome


What condition results when cells receive 3 copies of chromosome twenty one?

Down syndrome occurs when an individual receives an extra 21st chromosome.


Which process results in the formation of a new cell with full set of chromosome?

Fertilization results in the formation of a new cell with a full set of chromosomes.Answer 2:Mitosis results in the formation of a new cell with a full set of chromosomes


Trisomy is a mutation that results in a cell having an extra?

A trisomy is a condition in which a person has three copies of a chromosome instead of the usual two copies. A person can have full trisomy (three copies in every cell) or mosaic trisomy (three copies in some cells but not all).


Which condition results when cells receive three copies of chromosomes 21?

Down syndrome results when cells receive three copies of chromosome 21.


What happens if two sperms enter the egg during fertilization?

When two sperms enter the egg during fertilization, it results in an abnormal number of chromosomes in the embryo, leading to a condition called triploidy. This usually results in a nonviable pregnancy and early miscarriage.


The genotype xo results from what?

The genotype XO results from the absence of a second sex chromosome in an individual. This condition is known as Turner syndrome and is characterized by a single X chromosome in females instead of the usual two. It can lead to various developmental and physical abnormalities.


Where is cri du chat located?

Cri du Chat Syndrome or Chromosome 5p- is a chromosomal condition that results in brain abnormalities.


What is kliefelters syndrome?

Klinefelter syndrome is a genetic condition that results when a boy is born with an extra copy of the X chromosome. Klinefelter syndrome is a common genetic condition affecting males.