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Principle of independent assortment
genes become independant of one another during meiosis, resulting in predictable ratio of phenotypes in offspring
The observed distribution of alleles into gametes is an illustration of
Mendles laws of segregation and independant assortment
How do cells acquire homologous chromosome pairs that carry the alleles that are independently assorted?
fusion of gametes
Alleles of different genes segregate from one another in a random manner: describes what process
when do nonhomologous chromosomes segregate independently of each other
metaphase I (law of independant assortment)
Allow chromosomes of a fetus to be examined by preparation of a karyotype
chorionic villus sampling amniocentesis
An error in cell division that causes homologous chromosomes or sister chromatids to move to the same side of the dividing celll
Mixing a heat-killed pathogenic strain of bacteria with a living nonpathogenic strain can convert some of the living cells into the pathogenic form.
single-strand binding protein
during DNA replication, molecules that line up along the unpaired DNA strands, holding them apart while the DNA strands serve as templates for the synthesis of complementary strands of DNA.
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