WorksheetsGenetics Review
Total questions: 15
Worksheet time: 8mins
What does DNA stand for?
deoxynucleic acid
deoxyribonucleic acid
dinucleotide acid
deutronucleic acid
The two strands of DNA are...
matching
complementary
identical
homologous
Which of these is NOT a part of a nucleotide?
phosphate group
acid
base
sugar group
How many types of bases are found in DNA?
1
2
3
4
Which of these is the correct base pairing for DNA?
A - C
T - G
T - C
A - G
A - G
T - C
A - T
C - G
Which part of the cell contains DNA?
mitochondria
cell membrane
ribosome
nucleus
Which of these is a part of DNA with instructions to build proteins?
non-coding DNA
chromosome
genes
adenine
When the cell is ready to divide, the DNA condenses into...
histones
chromosomes
chromatin
nucleosome
Humans have __ pairs of chromosomes.
44
46
23
22
Different versions of the same gene are called...
alleles
mutations
genes
chromosomes
Which of these is NOT a type of mutation?
substitution
precipitation
deletion
insertion
Which of these terms describes the allele pairing for a gene?
recessive
dominant
genotype
phenotype
When you have one dominant allele and one recessive allele, the genotype will be...
phenotype
homozygous recessive
homozygous dominant
heterozygous
If there are two alleles for a gene (one dominant and one recessive), then how many possible genotypes are there?
1
2
3
4
Which of these terms describes the expression of the trait seen in individuals?
genotype
phenotype
dominant
recessive
