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Exploring Genetics Concepts

Authored by Sujatha (Kengeri)

Social Studies

University

Used 1+ times

Exploring Genetics Concepts
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46 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the basic unit of heredity in living organisms?

chromosome

gene

nucleus

DNA

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is a type of RNA involved in protein synthesis?

tRNA

mRNA

rRNA

sRNA

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a dihybrid cross, what is the phenotypic ratio of the offspring?

3:1:1:1

9:9:1

1:1:1:1

9:3:3:1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the function of the enzyme DNA polymerase?

To transcribe RNA from DNA templates.

To unwind the DNA double helix.

To repair damaged DNA strands.

The function of DNA polymerase is to synthesize new DNA strands during DNA replication.

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In the case of incomplete dominance, what phenotype results from a cross between a red flower and a white flower?

Purple flower

White flower

Red flower

Pink flower

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the expected genotypic ratio from a monohybrid cross?

1:2:1

3:1

1:1

2:2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a case study, a couple has a child with a genetic disorder. If both parents are carriers of the recessive allele, what is the probability that their next child will also have the disorder?

25%

10%

50%

75%

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