Tour the Basics
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by BrediferOakGrove Redifer
| 27 Questions
Note from the author:
Heredity Basics
Visit http://learn.genetics.utah.edu/content/basics/oldtour/ . Explore this activity to find the answers to the questions below.
NOTE: THE ACTIVITY AND THE SEQUENCE YOU SEE HERE ARE DIFFERENT! MAKE SURE YOU GO IN THE CORRECT ORDER.
I highly recommend that open the link in a new window and follow along in a side by side manner.
1
1 pt
What is DNA?
2
1 pt
What does “DNA” stand for?
3
1 pt
What is the four-letter DNA alphabet and what are the special rules by which the alphabet pieces bond together?
4
1 pt
What is a gene?
5
1 pt
What are genes made of?
6
1 pt
How many genes do humans have?
7
1 pt
Genes contain the instructions for building what kind of molecules?
8
1 pt
What is a chromosome?
9
1 pt
How many chromosomes does a human cell hold? (please write a number)
10
1 pt
How are the human sex chromosomes labeled?
11
1 pt
How many different kinds of proteins does one cell contain?
12
1 pt
Why do scientists use computer programs to model protein structure and function?
13
1 pt
What provides the “blueprint” for making a protein?
14
1 pt
Which organelle is responsible for actually making proteins?
nucleus
ribosome
mitochondria
cytoplasm
15
1 pt
What is heredity?
16
1 pt
Why aren’t children identical to either one of their parents?
17
1 pt
In humans, how many chromosomes does each parent pass on to their offspring?
46
23
a random number
18
1 pt
The second baby in the “What is Heredity?” animation inherited the exact same chromosomes as the first?
True
False
19
1 pt
Both babies have a complete set.
True
False
20
1 pt
What is a trait?
21
1 pt
Select the three types of traits
physical traits
physiological traits
behavioral traits
neurological traits
predisposition to a medial condition
cancerous traits
mental illness traits
22
1 pt
Give an example of how environmental factors can influence a trait.
23
1 pt
What is an allele?
24
1 pt
What does the term homozygous mean?
25
1 pt
What happens when two different alleles are present?
26
1 pt
What does the term heterozygous mean?
27
1 pt
All humans share 99.9% identical DNA
True
False
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