Answer:
they have a 25% chance of having a son with hemophilia and a 25% chance of having a daughter with it.
Explanation:
Hemophilia is an linked gene so when you create a punnet square those are the result you should receive.
6) A black hole is a part of space that has such a strong gravitational pull that nothing can escape from inside the black hole.
7) A Quasar is a very large celestial object that gives off massive amounts of energy. There is a theory that Quasars contain gigantic black holes in them but it is still yet to be proven.
8) The energy of a Quasar ranges from 1 trillion to 25 trillion of our sun.
9) Stars get their light due to a nuclear reaction that happens inside the star.
Answer:mutualism
Explanation:
In a mutualistic relation,both organisms involved benefit from the activities of each other. The benefits may be nourishment,shelter, protection etc.
In the above example,the birds are known to guide humans by responding to specific calls made by the human. They guide humans to beehives and then in return gets to feed on left over honey. Both the bird and human benefits by getting nourishment.
Mutualism is unlike parasitism where one of the organism involved benefits and the other organisms Is most likely harmed. It is also not commensalism, where one organism benefits and the other neither benefits nor is harmed
x or y because both can cause it
