Item RH035003: A new skin cell of a cow contains the same number of DNA molecules as the existing skin cells.
A skin cell from a cow contains 60 DNA molecules. How many DNA molecules are found in new skin cells that develop as the cow grows?
- 30
- 60
- 90
- 120
- Distribution of Responses
![Chart showing distrubtion of responses for Item RH035003](http://chart.apis.google.com/chart?chs=265x180&cht=bvg&chf=bg,s,00000000&chco=76A4FB|339933|76A4FB|76A4FB&chds=0,100&chd=t:23,42,14,21&chxl=0:|A|B|C|D&chxt=x,y&chbh=a&chbw=a&chm=N*f0*%,000000,0,-1,11,,e::5&filename=RH035003-dist.png)
- Students Responding Correctly
Group | Correct | Total | Percent |
---|---|---|---|
Overall | 1060 | 2547 | 42% |
Grades | |||
6–8 | 490 | 1564 | 31% |
9–12 | 569 | 980 | 58% |
Gender | |||
Male | 503 | 1228 | 41% |
Female | 538 | 1276 | 42% |
Primary Language | |||
English | 964 | 2250 | 43% |
Other | 70 | 225 | 31% |