1. A diploid fruit fly has eight chromosomes. Which of the following terms should not be used to describe a fruit fly with four sets of chromosomes? A. Polyploid B. AneuploidC. Euploid D. Tetraploid...

1. A diploid fruit fly has eight chromosomes. Which of the following terms should
not
be used to describe a fruit fly with four sets of chromosomes?

A. Polyploid

B. AneuploidC. Euploid

D. Tetraploid

E. 4n

2. Which of the following terms should
not
be used to describe a human with three copies of chromosome 12?

A. Polyploid

B. Triploid

C. Aneuploid

D. Euploid

E. 2n
+ 1

F. Trisomy 12

3. The kidney bean plant,
Phaseolus vulgaris, is a diploid species containing a total of 22 chromosomes in somatic cells. How many possible types of trisomic individuals could be produced in this species?

4. The karyotype of a young girl who is affected with familial Down syndrome revealed a total of 46 chromosomes. Her older brother, however, who is phenotypically unaffected, actually had 45 chromosomes. Explain how this could happen. What would you expect to be the numbers of chromosomes in the parents of these two children?