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August 1, 2018:
Lions are big. Tigers are bigger. Lion-tiger hybrids are biggest. Why?
August 4, 2016:
One of the theories as to why Henry VIII of England could not have sons is that he may have had Kell positive blood. But what actually happens when you have Kell positive blood and why would that make it hard for him to have a son?
June 7, 2016:
I am fascinated by the story of the Komodo dragon that became pregnant without a male being involved. Is it true that these baby Komodo dragons are not clones of mom?
March 3, 2016:
My boyfriend has 3, possibly 4 boys from a previous marriage, but no girls. I am now pregnant and am wondering if I am more likely to have a boy?
January 27, 2016:
If humans needed to repopulate after an extinction event from a relatively small number or if we were to send a multi-generational ship to a distant place in our galaxy, would it be beneficial for the health of the future generations to engineer/plan the offspring instead of sticking to the traditional family-model of two random people falling in love and producing kids?
October 29, 2015:
The X-Men characters Wolverine and Laura Kinney (also known as X-23) have a weird genetic relationship: she is a clone of Wolverine, but since the sample used to clone her had a damaged Y chromosome, the X chromosome was duplicated, so she ended up a female version of Wolverine. What would you say is their relationship? Father and daughter? Brother and sister? Or something else?
July 29, 2015:
Is it possible for human and dogs to have offspring? I know it’s not but I want to show proof from a real geneticist so I can show it to someone. People believe anything without scientific research.
January 23, 2015:
Why do mosquitoes chase me and not my friends?
February 5, 2014:
Is there any way for a gay couple to have a child that is their own?
May 15, 2013:
A female egg has 23 chromosomes and a male sperm also has 23 chromosomes, which is equal to 46 chromosomes and a viable embryo. What if you took the genetic material out of an egg and put it into another egg? You'd still have 46 chromosomes and that's all that's needed, right? The resulting offspring would be guaranteed female but wouldn't 46 chromosomes still result in viable embryo as well? Even if it's from two eggs instead of an egg and sperm?
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