ANSWERS
The principles of dominance, segregation, and
independent assortment were first described by
A. Darwin
B. Waston and Crick
C. Lamarck
D. Mendel
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 F2
generations of roan cattle
(4) mathematical analysis of the offspring produced by
crossing pea plants
Gregor Mendel formulated some basic principles of
heredity from the results of his experiments with
A. Drosophila
B. Bacteria
C. Four o'clock plants
D. Pea plants
The principles of dominance, segregation, and
independent assortment resulted from studies by
Mendel of the
inheritance of traits in
, A. Four o'clock plants
B. Roan cattle
C. Fruit flies
D. Pea plants
After observing the offspring of many generations of
pea plant crosses, Gregor Mendel formulated the
principle
of
A. Dominance
B. Polyploidy
C. Crossing-over
D. Mutation
Gregor Mendel developed some basic principles of
heredity by
You
A. studying sex-linked traits and mutations
B. mathematically analyzing crosses of pea plants
C. studying the mating of fruit flies
D. counting genes and chromosomes
The appearance of the chromosomes in B indicates
that exposure to radiation has caused
A. crossing-over
B. chromosomal alterations
C. segregation and recombination
D. nondisjunction
Sometimes a section of a chromosome is lost during
meiosis. This loss results in a change in genetic
material
known as
A. Deletion
B. Replication