Academic Integrity: tutoring, explanations, and feedback — we don’t complete graded work or submit on a student’s behalf.

1.Which chromosomal condition is Klinefelter\'s syndrome? XO b. XXX c. XXY d.YO

ID: 269168 • Letter: 1

Question

1.Which chromosomal condition is Klinefelter's syndrome?

XO   b. XXX c. XXY d.YO

2. Extranuclear genes are present in mitochondria, plastids, and the

endoplasmic reticulum

Golgi complex

chloroplasts

nucleus

3.Genetic recombination, or crossing over, can separate linked genes. T/F?

4. Females with trisomy X, (XXX) are

healthy but possibly a bit taller than normal females.

not viable and result in miscarriages.

sterile

extra pretty

5. Trisomy and triploidy are essentially the same phenomenon.(T/F)

6.Fruit flies have 22 pairs of chromosomes.(T/F)

7. Genes located on the same chromosome that tend to be inherited together are said to be linked. (T/F)

8. Polyploidy is common in the animal kingdom but rare in the plant kingdom. (T/F)

9. Sex linked disorders do not occur in females. (T/F)

A.

endoplasmic reticulum

B.

Golgi complex

C.

chloroplasts

D.

nucleus

Explanation / Answer

1. c. XXY

Klinefelter's syndrome is characterized by XXY genotype.

2. c. Chloroplast.

Chloroplast contains genetic material.

3. Genetic recombination, or crossing over, can separate linked genes. True.

4. A. healthy but possibly a bit taller than normal females.

Trisomy X females do not have unusual abnormalities but are generally taller than other females.