The Chromosomes Hiding in Specks of Lint
Interactive Video
•
Science, Biology, Engineering
•
11th Grade - University
•
Hard
Wayground Content
FREE Resource
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7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did scientists initially mistake microchromosomes for?
Water droplets
Flecks of lint
Tiny insects
Dust particles
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a characteristic of microchromosomes?
They are smaller than regular chromosomes
They are found in mammals
They replicate during cell division
They can be transcribed to make proteins
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did studies in chickens reveal about microchromosomes?
They are mostly junk DNA
They contain about half the chicken genome
They contain no genes
They are only found in reptiles
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How did researchers gain evolutionary insights from microchromosomes?
By comparing them to plant chromosomes
By analyzing their presence in mammals
By comparing DNA sequences across different species
By studying their absence in insects
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What unique feature does the platypus have regarding its chromosomes?
Its chromosomes are identical to those of birds
It has the largest chromosomes among mammals
Its chromosomes are entirely made of microchromosomes
It has no chromosomes
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a proposed reason for the lack of recognizable microchromosomes in mammals?
They were never present in mammals
They fused and became unrecognizable over time
They evolved into separate species
They are still present but inactive
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What potential function might microchromosomes have aside from forming larger chromosomes?
They prevent mutations
They store excess DNA
They regulate genes by forming a compartment
They help in cell division
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