
GEN BIO 2 - MENDEL'S LAW OF INHERITANCE
Quiz by John Sandrino
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the scientific study of heredity and hereditary variation.
transmission of traits from one generation to next
alternative form of a gene (ex. earlobe; tall and short)
the genetic code of an individual
phenotype is determined by alternative forms of a single gene called
observable trait/physical appearance of a trait; expression of genotype.
always expressed when the both alleles are dominant (WW)
or even if only one copy of the dominant trait exists (Ww)
are expressed only if both the connected alleles are recessive (homozygous)
alleles are the same (WW or ww)
alleles are different
WW
ww
Ww
mendel obtianed true-breeding plants
produce offspring that carry the same phenotype as the parent
pollen from the anther is deposited on the stigma of the same flower or another flower on the same plant
two unlike unit factors responsible for a single character are present in a single individual, one unit factor is dominant to the other, which is said to be recessive
during the formation of gametes, the paired unit factors (genes) separate or segregate
the paired unit factors (genes) of each contrasting trait assort or separate independently.
the factors of other traits and get randomly rearranged in the offspring.
original parents
offspring of parental generation
the individuals resulting from the selfing of the F1 generation
the process by which self-fertilizing individuals from the first generation produce offspring