Genes and Heredity Test Review
Authored by Janine Cednick
Biology
7th - 8th Grade
NGSS covered
Used 10+ times
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29 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Crossbred dogs are hybrids and have a combination of traits from both parents'.
What genotype would the offspring have if two labradoodles were bred together
homozygous
purebred
heterozygous
Tags
NGSS.HS-LS3-2
NGSS.HS-LS3-1
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
What did Mendel discover about the principles of heredity. Choose two statements.
Individuals get one factor for a trait from each parent.
Genetic material is genes on DNA.
A dominant factor can hide the expression of a recessive factor when both are present.
Tags
NGSS.HS-LS3-2
NGSS.HS-LS3-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these terms describes the physical trait of an organism's genes?
genotype
inherited factor
phenotype
masked trait
Tags
NGSS.HS-LS3-3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you cross one short-winged fly (ww) with a wild-type fly (WW), what is the probability of getting a short-winged offspring in the F1 generation?
100%
75%
50%
25%
0%
Tags
NGSS.HS-LS3-2
NGSS.HS-LS3-1
NGSS.HS-LS4-3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many chromosomes are in the sex cells of organisms?
always 23
always half as many as in the body cells
always as many as the body cells
always twice as many as in the body cells
Tags
NGSS.HS-LS3-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a person missing when there is an incomplete chromosome?
many genes
all genes
a body cell
a sex cell
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which of the following occurs during mitosis.
A plant produces pollen cells with half the chromosomes of the parent cells.
A bacterium divides to make two identical daughter cells.
A skin cell divides rapidly to replace tissue damaged by a scrape.
A cell duplicates its genetic material once and then divides twice to make 4 daughter cells.
Tags
NGSS.HS-LS1-4
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