Why can fraternal twins be different genders, but identical are always the
same gender?
O
A. Fraternal twins grow in different uteruses.
B. Fraternal twins are formed by the same sperm.
O
c. Fraternal twins have different chromosomes.
O
D. Fraternal twins are born at different times.

 C

Explanation: identical twins will have identical physical features such as hair color and eye color, because they were formed from the exact same egg and sperm. Fraternal twins are formed from two different eggs and sperm, so those twins will look different from each other.

complete the square on the right side of the equation;

-5(x + 0)^2 + 15

answer: d. y = -x^2 + 15

hi~~

i would say that hybridization occurs frequently in nature, because there are many types of hybrids that have occurred naturally, such as the mule (male donkey + female horse)