Original Project
Reproduction, Genes, and Heredity
Item RH035004: A new skin cell of a cow contains the same number of chromosomes as the existing skin cells.
A skin cell from a cow contains 60 chromosomes. How many chromosomes are found in new skin cells that develop as the cow grows?
- 30
- 60
- 90
- 120
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
|||
|---|---|---|---|---|---|---|---|
| n = 1623 |
6–8 n = 932 |
9–12 n = 691 |
Male n = 816 |
Female n = 784 |
English n = 1444 |
Other n = 129 |
|
| A. | 25% | 26% | 22% | 24% | 26% | 24% | 31% |
| B. | 43% | 33% | 56% | 43% | 42% | 43% | 40% |
| C. | 13% | 15% | 10% | 13% | 13% | 14% | 9% |
| D. | 20% | 26% | 11% | 20% | 19% | 20% | 20% |