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Human Questions and Answers (Q&A)

John Adney
Answered: Dec 13, 2016

Klinefelter syndrome occurs in about 1 out of every 500 males, having an extra X chromosome. 2 X chromosomes plus 1 Y = XXY. Therefore the XY answer to this question is incorrect.

5 Answers

208 views
Ain Nadhirah
Answered: Oct 01, 2017

The correct answer should be "karyotype". Using karyotype, we can photograph a complete set of chromosomes from a cell during cell division, most efficient during metaphase.

5 Answers

215 views
Aisyha Misman
Answered: Sep 28, 2017
Cystic fibrosis (CF) is caused by a recessive allele. You need to inherit two copies of the faulty allele to have CF. If you just have one copy of the faulty allele, you are a carrier but have no...Read More

4 Answers

200 views
John Adney
Answered: Sep 28, 2017

3 Answers

202 views
Ain Nadhirah
Answered: Oct 01, 2017
Genotype for a female of Turner syndrome can be X or XO, in which the female has less one chromosome than normal female that is 45 X. For the effect, the female looks normal but actually she is...Read More

3 Answers

206 views
Aisyha Misman
Answered: Sep 28, 2017
Involve X and Y chromosome in 23rd pair. For instance, XX is for female. While XY is for male. It can also leads to abnormalities when the number of X and Y chromosomes in human have an addition...Read More

3 Answers

202 views
Ain Nadhirah
Answered: Oct 01, 2017

In human, 1 to 22 of the chromosomes are autosomes. And the 23rd pair is for this type of chromosomes.

3 Answers

207 views
Ain Nadhirah
Answered: Oct 01, 2017

At the 23rd chromosomes, the genetic disorder that occur is chromosomal disorder.

3 Answers

205 views
Aisyha Misman
Answered: Sep 28, 2017

The Y chromosome is smaller than X. It also has fewer than 200 genes compare to X that has more than 1000 genes.

3 Answers

201 views
Aisyha Misman
Answered: Sep 28, 2017

The Y chromosome, smaller than the X. It also contains far fewer genes. The X has more than 1000 genes, while the Y has fewer than 200

3 Answers

205 views
Aisyha Misman
Answered: Sep 28, 2017
Gene is found only on X chromosome and not in Y. Itis linked to the gender of the individuals. The result is females will have 2 copies while male only have one copy of this gene. If gene is...Read More

3 Answers

204 views
Aisyha Misman
Answered: Sep 28, 2017

The X and Y chromosomes, however, have different genes. So for the genes,males have just one copy of X chromosomes. The Y chromosome has few genes, but the X chromosome has more than 1,000.

3 Answers

202 views
Ain Nadhirah
Answered: Oct 01, 2017

If a human consists of XX chromosomes, thus it is expressed as a female, meanwhile if a human has only an X with Y chromosomes, XY then, it expressed as a male.

3 Answers

201 views
Aisyha Misman
Answered: Sep 28, 2017
X-linked inheritance means that the gene causing the trait or the disorder is located on the X chromosome. Females have two X chromosomes; males have one X and one Y. Genes on the X chromosome...Read More

3 Answers

202 views
Aisyha Misman
Answered: Sep 28, 2017
Aninversionis achromosomerearrangementin which a segment of a chromosome is reversed end to end. An inversion occurs when a single chromosome undergoes breakage and rearrangement within itself....Read More

3 Answers

201 views

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