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Houseflies have six pairs of chromosomes if two houseflies are crossed how many possible types of fertilized eggs could result from the random lining up of the pairs?
Houseflies have six pairs of chromosomes, so when two houseflies are crossed, there are 2^6 possible combinations of fertilized eggs that can result from the random lining up of the pairs. This gives a total of 64 possible types of fertilized eggs that could result from the cross.
Can a women have 2 eggs fertilized by 2 different guys?
yes
Why are identical twins identical and fraternal twins are not?
Identical twins are formed from a single egg that splits into two. Fraternal twins are formed from two separate eggs that are both separately fertilized. So identical twins have identical DNA, and fraternal twins do not.
How do fraternal twins form?
The woman's body releases 2 eggs instead of one, and both get fertilized.
What is identical and what is fraternal?
Identical twins come from the same fertilized egg; fraternal twins come from 2 fertilized eggs.
You have a pet duck and she has a nest of 10 eggs She has been sitting on them for 2 weeks but the eggs are not fertilized What should you do?
eat 'em
What is the difference fraternal and identical twins?
Identical twins come from the same fertilized egg; fraternal twins come from 2 fertilized eggs.
Do birds eggs have to be fertilized to make chicks?
No, not all chicken eggs are fertilized. Most mass-produced eggs from battery farm operations are not fertilized, as the hens live their whole lives without seeing a rooster. Roosters must mate with the female chickens in order for the hens to produce fertilized eggs. No rooster, no fertilization. Hens are able to produce fertilized eggs for 1-2 weeks from one conjugal encounter with a rooster, but it takes a few days for the rooster's sperm to begin fertilizing her eggs.
How is triplets formed?
Triplets can be formed two different ways. 1. The mother produces three eggs, at or near the same time during her cycle, and all of them are fertilized. This would produce three fraternal triplets. 2. The mother produces one egg, which is then fertilized, and the egg splits into three separate embryos. This would produce three identical triplets.
How do fraternal twins do?
The woman's body releases 2 eggs instead of one, and both get fertilized.
How do twins happen?
Fraternal twins (and other multiples) occur when the female ovulates more than one egg at a time and more than one is fertilized. Females that are overweight or older are more likely to ovulate more than one egg at a time. Fertility drugs encourage the body to 'drop' more than one at a time. And the tendency can be inherited.
Similar twins are true twins or not?
i would have to say no because i am an identical twin and when you hear twin you think of identical ones. also fraternal twins aren't really twins because they are 2 separate babies that just happened to be fertilized at the same time.
