Fruit Flies Gene Mapping

Fruit Flies Gene Mapping

9th - 12th Grade

5 Qs

quiz-placeholder

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Fruit Flies Gene Mapping

Fruit Flies Gene Mapping

Assessment

Quiz

Biology

9th - 12th Grade

Practice Problem

Hard

NGSS
HS-LS3-2, HS-LS3-3

Standards-aligned

Created by

Charles Martinez

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which conclusion is a result of Thomas Hunt Morgan’s research with fruit flies?

Chromosome assortment during meiosis is not random.

Linked genes are located on the same chromosome.

The physical distance between genes can be determined.

Genes recombine independently during mitosis.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which observation of Morgan’s is evidence that crossing over occurs?

Linked genes are sometimes inherited separately.

Some dominant traits are always inherited together.

Inheritance of gene combinations is not random.

Fruit flies have only two groups of linked traits.

Tags

NGSS.HS-LS3-2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Two genes on a given chromosome that are most likely to be inherited together are

6.8 map units apart.

10 map units apart.

2 map units apart.

18.5 map units apart

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Suppose that the distance between two genes on a linkage map is 7 units. The cross-over frequency between the two genes is

0.7%

7%

70%

700%

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Suppose the cross-over percentages for three gene pairs are: A to B = 9.5%, B to C = 14.5%, and A to C = 5%. Which of the following sequences could represent the order of these genes on a chromosome?

CAB

ABC

CBA

ACB

Tags

NGSS.HS-LS3-3