Great Migration: Life for Migrants in the City. By the end of 1919, some 1 million blacks had left the South, usually traveling by train, boat or bus; a smaller number had automobiles or even horse-drawn carts.
Genetic variation is increased by meiosis During fertilisation, 1 gamete from each parent combines to form a zygote. Because of recombination and independent assortment in meiosis, each gamete contains a different set of DNA.
Independent Assortment of Chromosomes. Alleles for a particular phenotype determine what character istic an organ ism will express, as with the following example where ... Gregor Mendel 's law of independent assortment states that when genes are inherited, they are inherited independent of each other. independent assortment The random distribution into gametes, during meiosis, of genes on different chromosomes. See also: linkage. in determinate growth /in-dÉ-TERM-É-nÉt/ Growth that continues throughout life. Compare: determinate growth.