#Question id: 13154
#Unit 2. Cellular Organization
#Question id: 24168
#General Aptitude
#Question id: 3438
#Unit 11. Evolution and Behavior
The type of learning that causes specially trained dogs to salivate when they hear bells is called
#Question id: 4901
#Unit 8. Inheritance Biology
Assume that the alleles A (dominant) and a (recessive) show a maternal effect mode of inheritance. In a cross between an Aa female and an aa male, what would be the phenotypes of the progeny?
#Question id: 7275
#Unit 5. Developmental Biology
The following experiment is designed to study the role of several hormones in the regulation of metamorphosis in frogs.
Group # |
Treatment |
Days
to Metamorphosis |
1 |
Saline |
30 |
2 |
Prolactin |
> 100 |
3 |
TSH |
15 |
4 |
Thyroxine |
10 |
5 |
Corticosterone |
30 |
6 |
Thyroxine
+ Corticosterone |
5 |
7 |
Prolactin + TSH |
30 |
8 |
Thyroid gland
removed |
> 100 |
If the thyroid gland were removed from the tadpoles in Group 4, metamorphosis would