In which process do the chromosomes line up in a single line in the middle of the cell?

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated

What is the primary function of the nervous system?