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