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Tour the Basics
By BrediferOakGrove Redifer
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Last updated almost 8 years ago
27 questions
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Note from the author:
Heredity Basics
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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.
Question 1
1.
What is DNA?
Question 2
2.
What does “DNA” stand for?
Question 3
3.
What is the four-letter DNA alphabet and what are the special rules by which the alphabet pieces bond together?
Question 4
4.
What is a gene?
Question 5
5.
What are genes made of?
Question 6
6.
How many genes do humans have?
Question 7
7.
Genes contain the instructions for building what kind of molecules?
Question 8
8.
What is a chromosome?
Question 9
9.
How many chromosomes does a human cell hold? (please write a number)
Question 10
10.
How are the human sex chromosomes labeled?
Question 11
11.
How many different kinds of proteins does one cell contain?
Question 12
12.
Why do scientists use computer programs to model protein structure and function?
Question 13
13.
What provides the “blueprint” for making a protein?
Question 14
14.
Which organelle is responsible for actually making proteins?
nucleus
ribosome
mitochondria
cytoplasm
Question 15
15.
What is heredity?
Question 16
16.
Why aren’t children identical to either one of their parents?
Question 17
17.
In humans, how many chromosomes does each parent pass on to their offspring?
46
23
a random number
Question 18
18.
The second baby in the “What is Heredity?” animation inherited the exact same chromosomes as the first?
True
False
Question 19
19.
Both babies have a complete set.
True
False
Question 20
20.
What is a trait?
Question 21
21.
Select the three types of traits
physical traits
physiological traits
behavioral traits
neurological traits
predisposition to a medial condition
cancerous traits
mental illness traits
Question 22
22.
Give an example of how environmental factors can influence a trait.
Question 23
23.
What is an allele?
Question 24
24.
What does the term homozygous mean?
Question 25
25.
What happens when two different alleles are present?
Question 26
26.
What does the term heterozygous mean?
Question 27
27.
All humans share 99.9% identical DNA
True
False
