#Question id: 18898
#SCPH28 | Zoology
#Question id: 5566
#SCPH28 | Zoology
In some rare salamander species, all individuals are females. Reproduction relies on those females having access to sperm from males of another species. However, the resulting embryos receive no genetic contribution from the males. Why do you think sperm are necessary for reproduction?
#Question id: 4725
#SCPH12 I Genetics
Ptosis (droopy eyelid) may be inherited as a dominant human trait. Among 30 people who are heterozygous for the ptosis allele, 10 have ptosis and 20 have normal eyelids. What is the penetrance for ptosis?
#Question id: 16480
#SCPH28 | Zoology
#Question id: 748
#SCPH05 I Biotechnology
The bond between the bases and the sugars in DNA referred as: