Which of the following is True?
A.)Fertilization requires two haploid cells,
B.)Homologous chromosomes have the same alleles, but they may have different genes.
C.)Diploid cells have two identical copies of each chromosome.
D.)Both A and B are true.

1.if the dartboard below is used to model an atom which subatomic particles would be located at z?

20 points and brainlist 1. london has suffered from terrible air pollution for at least seven centuries. why is the city so prone to its famous “london fog? ” what did london do to get rid of its air pollution? 2. why does air pollution cause problems in developing nations more than in developed ones?

The human genome project is devoted to mapping the general dna sequence of our species. this could lead to the development of new medicines, as well as the possibility of using gene therapy to treat certain diseases. however, there are some ethical issues surrounding the mapping of individual genomes. one concern is a) that your genes may change over time, making the project useless. b) that insurance companies could discriminate based on genetic make-up. c) that since this has never been done before, we should probably not do it now. d) that sequencing our individual genomes is so expensive, it is a counter-productive strategy.