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Genetics
Test Description: 6th grade Heredity and Genetics quiz
Instructions: Answer all questions to get your test result.
1) A small section of DNA on a chromosome is known as a _________________.
A
allele
B
trait
C
gene
D
variation
2) A change in a gene or chromosome is known as a ________________.
A
trait
B
allele
C
heredity
D
mutation
3) What is the study of how traits are passed from parents to offspring?
A
heredity
B
genes
C
genetics
D
variation
4) Physical characteristics of an organism are __________.
A
recessive
B
traits
C
alleles
D
genes
5) The passing of traits from parents to offspring is called ________________.
A
mutation
B
alleles
C
heredity
D
genetics
6) Heredity material passes from parent to offspring during
A
reproduction
B
chromosomes
C
duplication of sperm
D
DNA
7) ___________________ can be beneficial, harmful or neutral.
A
meiosis
B
regeneration
C
mutations
D
mitosis
8) How many recessive alleles must be present for a trait to be expressed?
A
1
B
2
C
0
D
4
9) The word mutate means?
A
to harm
B
to reproduce
C
to change
D
to clone
10) Human chromosomes are arranged in
A
23 pairs
B
46 pairs
C
21 pairs
D
43 pairs
*select an answer for all questions
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