In DNA replication, what is the next step after the DNA has unzipped?

Nitrogen bases pair up with the DNA strand.

Ribosomes attach to DNA and move along the strand.

A chromosome with two identical strands of DNA is formed.

Messenger RNA forms along the exposed DNA bases.

What is crossing over?

Chromosome pairs exchange pieces.

When a substitution is made in the DNA sequence, what affect may occur?

It may cause an incorrect protein to be made.

It may cause an extra amino acid to be coded.

It may cause a new type of protein to be created.

It may cause an amino acid to be missing.

What is an example of a neutral variation?

trait expression of skin cancer

trait expression of color of fur

Which is true of all genetically engineered organisms?

They contain genes transferred from another organism.

They have a genome that is identical to their parents' genome.

They are made using half the genomes of two different species.

They are produced by breeding only the individuals with desired traits.

Which of the following is an example of genome sequencing?

Scientists discover a new species of mouse and want to classify it accurately.

A zoo needs to know which of the three male lions father the litter of cubs.

A racehorse owner wants to make an exact copy of his champion horse.

A child is born with a faulty gene that causes a serious disease.

How can genome sequencing help someone decide to have a child or not?

It will tell the person if she is a carrier of a disease.

It will identify that the individual will have children with the disease.

It will allow for the individual to get gene therapy.

It will show how closely-related the individual is to their child.

Which of the following is an example of gene therapy?

A child is born with a faulty gene that causes a serious disease.

A zoo needs to know which of the three male lions father the litter of cubs.

A racehorse owner wants to make an exact copy of his champion horse.

Scientists discover a new species of mouse and want to classify it accurately.

Why is DNA important?

it serves as the blueprint for traits in all living things.

we have only just begun research on this very complicated molecule.

Look at the F1 generation produced when two parent plants are crossed. Then, look at the F2 generation produced when two F1 plants are crossed. What can you infer about the original parents' phenotype?

One parent had white flowers and the other had purple flowers.

Both the parents were homozygous for white flowers.

Both the parents were homozygous for purple flowers.

Both parents had purple flowers

Both parents had white flowers.

Shapes representing family members with cystic fibrosis are shaded. Based on the pedigree, which of the following statements is correct?

Every person in the pedigree is either has cystic fibrosis or is a carrier for cystic fibrosis.

Only female members of the family show the cystic fibrosis trait.

In Generation II, family members 3, 4 and 6 have NO cystic fibrosis gene.

Generation IV children from Generation III members 1, 6 and 8 are guaranteed to have cystic fibrosis.

Genes and Heredity Test Review

Quiz

•

Biology

•

7th - 8th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-LS3-2, HS-LS3-3, HS-LS1-4

+3

Standards-aligned

Janine Cednick

Used 9+ times

FREE Resource

29 questions

Show all answers

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-LS3-1

NGSS.HS-LS3-2

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-LS3-1

NGSS.HS-LS3-2

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-LS3-1

NGSS.HS-LS3-2

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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Genes and Heredity Test Review

29 questions

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

What did Mendel discover about the principles of heredity. Choose two statements.

Which of these terms describes the physical trait of an organism's genes?

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?

How many chromosomes are in the sex cells of organisms?

What is a person missing when there is an incomplete chromosome?

Which of the following occurs during mitosis.

In DNA replication, what is the next step after the DNA has unzipped?

What is crossing over?

What molecule brings amino acids to the ribosome to assemble protein?

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Popular Resources on Wayground

Discover more resources for Biology

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