Although there is a one in 4 million chance that all of the chromosomes in one parent could come entirely from one grandparent, chances are high that grandchildren will receive a mix of chromosomes from both maternal and both paternal grandparents. True or False

it is true 10000% sure

hope i helped

-lvr

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.