Science Test Study 7.4

A colorful illustration of DNA strands, chromosomes, and various genetic traits representing a science quiz theme.

Science Test Study 7.4

Test your knowledge on sex-linked disorders, Mendel's genetics, and mutations with our engaging science quiz. This quiz consists of 20 multiple-choice questions designed to challenge your understanding and enhance your learning experience.

Key Features:

20 thought-provoking questions
Instant feedback on your answers
Perfect for students and science enthusiasts

20 Questions5 MinutesCreated by LearningDNA2023

Which is a sex-linked disorder (passed along on the X or Y chromosome?

Measles

Hemophilia

Covid 19

Tuberculosis

What are the chances of a female carrier being born from these parents? (the bottom one is X h)

25%

50%

100%

Which option from your Traits lab had only two forms of expression?

Height

Natural hair color

Natural hair texture

Earlobes

If we think in terms of Mendel's genetics, in the third generation, about what percentage of offspring could be expected to show the recessive phenotype?

25%

50%

75%

100%

If we think in terms of Mendel's genetics, in the third generation, about what percentage of offspring could be expected to show the dominant phenotype?

25%

50%

75%

100%

If you breed two brown mice, and out of 30 mice offspring, 22 have brown fur and 8 have white fur, what would be the percentage of offspring with brown fur?

25%

73%

75%

100%

If you breed two brown mice, and out of 30 mice offspring, 22 have brown fur and 8 have white fur, what would be the percentage of offspring with white fur?

25%

27%

50%

If we breed two feather-legged chickens, and all the offspring have feathered legs, what must be true?

Feather-legged chickens are better to eat

Feather-legged chickens are exhibiting a recessive trait

Feathered-legs are not controlled by genetics

The parent chickens must be homozygous dominant or heterozygous

The phenotype of a trait is:

What an individual actual looks like

What an individual's genetic code says

What an individual wants to look like

DNA

As DNA is being copied, one "rung" in the ladder is skipped. This is called a/an:

Recessive trait

Mutation

Dominant trait

Allele

How are inherited mutations different from acquired mutations?

Inherited mutations and acquired mutations are present at conception

Inherited mutations are received during your life while you are born with acquired mutations

You are born with inherited mutations while you receive acquired mutations throughout your life

Inherited mutations are all dangerous

Gwen liked to sunbathe. However, after she learned that ultraviolet rays are a cause of environmental mutations, she decided to stop sunbathing. When can an acquired mutation be passed from parent to offspring?

Only if the mutation occurs in the sex cells

Only if the mutation occurs in the y-chromosome

Only if the parent has a mutation in the autosomal chromosome

Only if neither parent has the mutation in the sex cells

Desi and her best friend Sammy are comparing eye colors. Sammy has blue eyes, and Desi has brown eyes. What is a difference in eye color among the same species called?

Chromosomes

Traits

Variation

Mutation

David is a world-class runner, and he recently learned that he has a mutation in the gene controlling his fast-twitch muscles. This helps explain his high level of ability. This is an example of what kind of mutation?

Harmful

Helpful

Neutral

Environmental

The chromosomes in this image are called the ___ chromosomes.

Autosomal chromosomes

Sex chromosomes

Mutant chromosomes

Paired chromosomes

Science Test Study 7.4

Science Test Study 7.4

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