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Chapter 3, Section 1
Test Description: Mendel's Work
Instructions: Answer all questions to get your test result.
1) The year Gregor Mendel began experimenting was
A
1851
B
None of these
C
1581
D
1771
2) Known as the father of genetics
A
Paul Mason
B
Gregor Mendel
C
Henry VII
D
Charles Darwin
3) Mendel experimented with pea plants to understand heredity, which is
A
the passing of traits or physical characteristics from parents to offspring
B
the passing of traditions
C
to know how tall or short a certain plant can be
D
how we communicate from generation to generation
4) Mendel studied pea plants because -
A
they were easy to study since they only show two possible traits (tall or short)
B
all of these
C
he could control the traits by cross-pollinating or genetically placing them together
D
they produced a large number of offspring per generation
5) He began his first experiment with two____________ plants, their genotypes being________
A
heterozygous; Tt and tt
B
purebred; Tt and Tt
C
purebred; TT and tt
D
homozygous; TT and Tt
6) The other traits Mendel studied were-
A
all of these
B
pod shape (inflated/constricted) and pod color (green/yellow)
C
flower color(purple/white),flower position(arial/terminal) and stem height(tall/dwarf)
D
seed shape (sphere/wrinkled) and seed color (yellow/green)
7) Factors that control traits and exist in pairs are called ___________. Each parent contributes one ____________.
A
genes; allele
B
chromosomes; phenotype
C
hybrid; cells
D
genotypes; allele
8) ______ alleles always show themselves and use ______ letter, but ______ alleles only show if two of the same are present and use ______ letter.
A
dominant, capital; recessive, lowercase
B
phenotype, hybrid; genotype, purebred
C
homozygous, capital; heterozygous, hybrid
D
recessive, capital; dominant, lowercase
9) In pea plants:
A
tall is a dominant allele and short is a recessive allele
B
if a plant is TT (tall tall) =tall; if Tt (tall short) = tall; if tt (short short) = short
C
All of these
D
None of these
10) A ________ plant has two capital or lowercase letters (TT or tt). A ______ has a capital and a lowercase letter (Tt).
A
purebred; hybrid
B
genotype; hybrid
C
hybrid; purebred
D
homozygous; heterozygous
*select an answer for all questions
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