Genetics Unit Study Guide
1.
What is genetics?
2.
What is the responsible for the expression of a trait?
3.
How do genes express traits?
4.
Describe the structure of a chromosome.
5.
If DNA must stay within the nucleus of the cell, then it must duplicate itself to be sent out. What is the means for DNA to get its message out to the rest of the cell?
6.
Draw and label a short segment of DNA.
7.
Draw and label a short segment of RNA
8.
Compare and contrast DNA to RNA.
9.
Describe the process of transcription.
10.
Describe the process of translation.
11.
What comes first transcription or translation?
12.
What is the function of mRNA?
13.
What is the function of tRNA?
14.
What is a codon? How many base pairs does it require?
15.
The table shows which mRNA codons code for various amino acids. Which amino acid sequence will be produced by translation of the mRNA sequence:
GCU UUA AGU
16.
A DNA base sequence is CTAGGTCAATG. How would it be coded on mRNA?

17.
What is the fundamental process of evolution?
18.
What do mutations create?
19.
How many pairs of chromosomes does a human have?
20.
What is the result of asexual reproduction by mitosis?
21.
What is an advantage of genetically engineering produce?
22.
What is a disadvantage of genetically engineering produce?
23.
What is a genotype? Give an example.
24.
What is a phenotype? Give an example.
25.
A rabbit with white fur is crossed with a rabbit with black fur. The black fur rabbit is homozygous. The black fur allele is also dominant to the white fur allele. What percentage of offspring, from the cross, are expected to have black fur instead of white fur?
26.
Why are eye cells different from bone cells?
27.
How would you describe the parent’s genotypes that would result in the Punnett
Square below?
GG Gg
Gg gg
28.
In Pea Plants, the purple flower is dominant to the white flower.