1.The principles of dominance, segregation, and independent assortment were first described by
(1) Darwin
(2) Watson and Crick
(3) Lamarck
(4) Mendel
2.Gregor Mendel developed some basic principles of heredity based on his
(1) dissection of the flowers of both tall and short African violet plants
(2) microscopic observation of the nuclei of fruit fly cells
(3) biochemical analysis of DNA produced in the F 2 generations of roan cattle
(4) mathematical analysis of the offspring produced by crossing pea plants
3.When Mendel was experimenting with pea plants, he noted that the traits for seed color and plant height were
inherited separately. This observation most directly contributed to an understanding of
(1) codominance
(3) independent assortment
(2) dominance
(4) intermediate inheritance
4.Gregor Mendel formulated some basic principles of heredity from the results of his experiments with
(1) Drosophila
(2) bacteria
(3) four-o'clock plants
(4) pea plants
5.Information about patterns of human heredity is more difficult to obtain than information about patterns of
heredity in fruit flies because
(1) humans have shorter life cycles and more offspring than fruit flies
(2) most humans have offspring with hidden dominant traits
(3) humans have longer life cycles and fewer offspring than fruit flies
(4) most mating in humans is carefully controlled by genetic engineering
6.The principles of dominance, segregation, and independent assortment resulted from studies by Mendel of the
inheritance of traits in
(1) four-o'clock flowers
(2) roan cattle
(3) fruit flies
(4) pea plants
7.After observing the offspring of many generations of pea plant crosses, Gregor Mendel formulated the principle
of
(1) dominance
(2) polyploidy
(3) crossing-over
(4) mutation
8.Which concept is not associated with the work of Gregor Mendel?
(1) dominance
(3) independent assortment
(2) use and disuse
(4) segregation
9.Mendel developed the basic principles of heredity by
(1) examining chromosomes with microscopes
(3) analyzing large numbers of offspring
(2) using x-rays to induce mutations
(4) observing crossing-over during meiosis
10.Basic principles of heredity established by Mendel include
(1) dominance, gene linkage, and sex linkage
(2) dominance, independent assortment, and gene linkage
(3) dominance, independent assortment, and segregation
(4) independent assortment, gene linkage, and segregation
11.Gregor Mendel developed some basic principles of heredity by
(1) studying sex-linked traits and mutations
(3) studying the mating of fruit flies
(2) mathematically analyzing crosses of pea plants (4) counting genes and chromosomes
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