 |
| 1 . |
|
In a sexually reproducing, diploid species, gametes must be [Hint]
|
|
| 2 . |
|
Some organisms utilize both sexual and asexual reproduction [Hint]
|
|
| 3 . |
|
The sporophyte stage in plants [Hint]
|
|
| 4 . |
|
All of the following statements about the roundworm, C. elegans, discussed in Section 7.1, is one of the are true except: [Hint]
|
|
| 5 . |
|
The diploid chromosome number of an individual with both Klinefelter syndrome and Down syndrome (three copies of chromosome #21) is [Hint]
|
|
| 6 . |
|
An individual with XXY sex chromosomes is considered [Hint]
|
|
| 7 . |
|
Which of the following statements about XYY males is true? [Hint]
|
|
| 8 . |
|
How does the Y chromosome determine maleness in humans? [Hint]
|
|
| 9 . |
|
In humans, one explanation for why the primary sex ratio may differ from the secondary sex ratio is that [Hint]
|
|
| 10 . |
|
A Barr body [Hint]
|
|
| 11 . |
|
Double fertilization [Hint]
|
|
| 12 . |
|
All of the following are mechanisms by which sex can be determined except [Hint]
|
|
| 13 . |
|
The Lyon hypothesis [Hint]
|
|
| 14 . |
|
Dosage compensation [Hint]
|
|
| 15 . |
|
In humans, the Y chromosome [Hint]
|
|
| 16 . |
|
In Drosophila, sex is determined by [Hint]
|
|
| 17 . |
|
The effect of Barr body formation in mammals is that [Hint]
|
|
| 18 . |
|
An abnormal human of the karyotype 49, XXXYY will form how many Barr bodies? [Hint]
|
|
|
Answer choices in this exercise are randomized and will appear in a different order each time the page is loaded.
|
