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DNA, Chromosomes, and Genes

Authored by Wayground Content

Science

7th Grade

NGSS covered

Used 27+ times

DNA, Chromosomes, and Genes
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15 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How many chromosomes do humans have?

44 chromosomes

46 chromosomes

48 chromosomes

50 chromosomes

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What are genes?

Segments of RNA that help in protein synthesis.

Segments of DNA that contain the instructions for building proteins, which determine our traits and characteristics.

Parts of the cell that regulate metabolism.

Molecules that store energy in living organisms.

Tags

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3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What are homologous chromosomes?

Pairs of chromosomes that have the same structure and carry genes for the same traits, one inherited from each parent.

Chromosomes that are identical in size and shape but carry different genes.

Chromosomes that are found only in gametes and are not present in somatic cells.

Chromosomes that are formed during cell division and are not involved in genetic inheritance.

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NGSS.HS-LS3-1

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4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the difference between a gene and an allele?

A gene is a segment of DNA that codes for a specific trait, while an allele is a variant form of a gene.

A gene is a type of protein, while an allele is a type of carbohydrate.

A gene is a unit of heredity, while an allele is a type of mutation.

A gene is found in the nucleus, while an allele is found in the cytoplasm.

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NGSS.HS-LS3-1

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5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the relationship between DNA, genes, and chromosomes?

DNA is a type of gene found in chromosomes.

Genes are made up of proteins located on chromosomes.

DNA is the molecule that makes up chromosomes, and genes are segments of DNA located on chromosomes.

Chromosomes are made up of RNA and contain no DNA.

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6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is a mutation?

A mutation is a change in the DNA sequence of a gene that can lead to changes in the protein produced.

A mutation is a process that repairs damaged DNA sequences.

A mutation is a type of genetic engineering used to create new species.

A mutation is a natural selection process that eliminates weak genes.

Tags

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7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the process of transcription?

Transcription is the process by which the information in a gene is used to synthesize RNA.

Transcription is the process of translating RNA into proteins.

Transcription is the process of replicating DNA into RNA.

Transcription is the process of synthesizing DNA from RNA.

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