Focus On Life Science: California Grade 7

Lesson 1: Foundations of Genetics

Standards Check

1.
__________ studies how traits are inherited though the interactions of alleles. 2.d
A)Probability
B)Mitosis
C)Genetics
D)Regeneration
2.
Which process separates chromosomes? 2.b
A)chemosynthesis
B)pedigree
C)inheritance
D)meiosis
3.
Which topic in mathematics did Mendel use to help explain heredity? 2.d
A)probability
B)algebra
C)calculus
D)geometry
4.
Which of these is an organism that produces the same traits in every generation? 2.d
A)a hybrid
B)a purebred
C)a pea plant
D)a chromosome
5.
__________ is the process Mendel used to pollinate flowers of short plants with pollen from tall plants. 2.d
A)Polygenic inheritance
B)Mitosis
C)Mitosis
D)Cross-pollination
6.
Which of these describes how an organism looks? 2.d
A)its hybrid
B)its probability
C)its phenotype
D)its zygosity
7.
In a corn plant, a pair of chromosomes is found to have one allele for purple seeds and one for yellow seeds. The trait of seed color in this plant would be called __________. 2.d
A)pure
B)recessive
C)dominant
D)a hybrid
8.
If a rabbit with one brown-fur allele and one white-fur allele has brown fur, which allele would you suspect was dominant? 2.d
A)the brown-fur allele
B)both alleles
C)neither allele
D)the white-fur allele
9.
How many copies of a gene must an individual have to show a recessive trait? 2.d
A)four
B)one
C)three
D)two
Grade 7
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