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Transcript
Revision Questions: Genetics 1
1 __________________________ is the study of classification. The basic unit of
classification is the __________________________________.
(2(5))
2 The members of a species are capable of _______________________________ with
each other.
(10)
3 Say if the following variations are inherited or acquired.
(a) freckles _____________________________________
(b) the production of an enzyme _____________________________________
(c) the ability to play a musical instrument _____________________________________
(d) the ability to form a blood clot _____________________________________
(e) the ability to read _____________________________________
(5(2))
4 Heredity is the passing on of features from one generation to another by means of
________________________________________.
(10)
5 Genes are sections of ____________________________ on a
_____________________, hich carry the code for the production of a protein.
(2(5))
6 Gene _____________________________ is the way in which a gene produces a
protein in a cell.
(10)
7 Characteristics are the result of the interaction of our __________________________
with our genes.
(10)
8 All humans are members of the same ___________________, despite having many
visible ____________________.
(2(5))
9 Non-coding DNA makes up about ________% of a chromosome and does not cause the
production of a ____________________.
(2(5))
10 Chimpanzees and gorillas form two different ______________________________
because they cannot successfully _________________________________ with each
other.
(2(5))
11 (a) Name the four bases found in DNA. ____________________,
____________________,____________________ and ____________________.
12 One strand of DNA has the base sequence ATTGC. Give the sequence of bases on the
complementary strand of DNA. ___________________________________
(5(2))
13 A _______________________________ is a sequence of three DNA bases that carries the
code for a single ______ ___________________________.
(2(5))
14 A section of a chromosome that causes the production of a protein is called a
___________________________. Sections of a chromosome that do not cause the production of
any known product contain so-called _____________________ DNA. (2(5))