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0
votes
2answers
21 views

Risk of autosomal dominant disorder [closed]

What can you conclude about the risk (with each pregnancy) that a couple could have a child affected with an autosomal dominant disorder if... One parent is affected (heterozygous) and the other ...
-2
votes
1answer
31 views

Blood Type/Punnett Square [closed]

Male: Blood type O (Genotype written as: i^o i^o since O allele is recessive to the A and B alleles). Female: Blood type AB Draw a punnett square to show all of the possible offspring. I got Ai^o, ...
-2
votes
0answers
20 views

Punnet Square help [closed]

Just wanting to make sure I am doing this correctly. Given: R dominant allele for able to roll tongue r not able to roll tongue T dominant allele for taster of PTC t not able to ...
9
votes
1answer
1k views

Is it possible for any animals today to have more than one brain?

Is it possible for any organisms in the animal kingdom to have more than one brain?
6
votes
2answers
96 views

Can an organism process H₂O into H₂O₂?

In an answer to a recent question on Worldbuilding, I suggested that an organism convert $H_2O$ into $H_2O_2$. I suggested a few processes that yielded the desired final result ($2H_2O \rightarrow ...
7
votes
4answers
221 views

Books for biology,popular but rigorous? [closed]

There are very goods in physics and mathematics (like Feynman lectures for exemple) that give an elementry but but broad view of their,therefore I'd like for help to find help to find a biology book ...
0
votes
1answer
55 views

Resources for interesting facts about biology [closed]

Are there resources for interesting or fun facts about biology, for example: fastest animal/bird/insect largest organ in human body largest virus largest genome largest de novo synthesized genome ...
1
vote
0answers
20 views

Are sulfates or nitrates common ions in biochemistry (specifically of the body)?

It's a rather broad question but something I'm curious about. I know sulfates tend to be very soluble ions and so don't know nitrates. I also know that phosphates are extremely common in ...
12
votes
10answers
979 views

A good book for history of biology/biotechnology for lay people

I have many friends who are interested in Biology and want to know more about the subject in general (like a history of biology, from Darwin's theory, to DNA structure discovery, to the human genome ...
9
votes
1answer
187 views

Doesn't osmosis violate the law of conservation of energy?

Osmosis seems very counter-intuitive to me. I will try to explain my doubt with the following thought experiment: Consider a huge container divided into two by a semi-permeable membrane. We add equal ...
4
votes
2answers
316 views

Effects of exercise on the brain

I am well aware of the phenomenon of neurogenesis induced by exercise, as well as the dopamine release that results from exercise. I am really interested in neuropsychology and the effects of exercise ...