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DNA/Chromosomes
Test Description: Dna
Instructions: Answer all questions to get your test result.
1) what does inherited mean?
A
passed through generations
B
a collection of assets you recieve
C
genes and DNA
D
when the environment determines your traits
2) what are many traits determined by?
A
cells
B
genes
C
nothing
D
your pets
3) where in the cells are genes located?
A
mitochondria
B
cytoplasm
C
nucleus
D
cell wall
4) where in the nucleus are genes located?
A
mitochondria
B
clonosomes
C
chromosomes
D
protein
5) what do genes code for?
A
your personality
B
DNA
C
binary
D
proteins
6) a gene is a segment of _______?
A
protein
B
genes
C
cell
D
DNA
7) order from largest to smallest: DNA, gene, chromosome
A
chromosome, gene, DNA
B
gene, chromosome, DNA
C
chromosome, DNA, gene
D
DNA, gene, chromosome
8) what is a karyotype?
A
a rock band
B
a type of gene which codes a protein
C
a picture of DNA
D
organized display of an organism's chromosomes
9) the sides of the DNA molecule (the backbone) are made up of sugar molecules alternating with
A
hydrogen molecules
B
phosphate molecules
C
nitrogen molecules
D
deoxyribose molecules
10) the parts of a chromosome that control inherited traits
A
centromeres
B
gametes
C
chromatids
D
genes
11) how many homologous pairs of chromosomes can be found in most human cells?
A
46
B
92
C
12
D
23
12) what is DNA made up of?
A
glucose, carbon, nitrogen bases
B
deoxyribose, phosphates, nitrogen bases
C
chromosomes, sugar, protein
D
deoxyribose, amino acids, protein
13) what are the four nitrogen bases? (only their letters)
A
a, c, f, x
B
a, u, c, t
C
a, g, c, t
D
a, b, c, d
14) one nitrogen base is bonded with another nitrogen base by
A
oxygen atoms
B
hydrogen atoms
C
nitrogen atoms
D
carbon atoms
15) when bonds happen only between A and T and C and G, we refer to this as the
A
law of bonding
B
base-pair rule
C
hydrogen bonding rule
D
pairing up
16) the process by which DNA copies itself
A
copying
B
duplicates
C
replication
D
synthesis
17) the genetic code and traits are determined by the ______ of the nitrogen bases
A
length
B
size
C
order
D
appearance
18) adenine, guanine, cytosine, and thymine are called _____bases
A
carbon
B
oxygen
C
hydrogen
D
nitrogen
19) deoxyribose is a type of
A
nucleic acid
B
protein
C
lipid
D
sugar
20) nitrogen base pairs will only connect to _____on the DNA backbone
A
phosphate
B
sugar (deoxyribose)
*select an answer for all questions
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