Bio DE 151 Final Review

Front

What are restriction enzymes used for?

Back

Restriction enzymes are used to isolate DNA pieces by 'snipping'.

Front

What is the probability of offspring being tall and white in a dihybrid cross?

Back

The probability is 3.

Front

What is the percentage of homozygous recessive offspring in a genetic cross?

Back

The percentage is 50%.

Front

What is the genotype for a pea plant that is homozygous for round seeds and heterozygous for yellow seeds?

Back

The genotype is RRYy.

Front

How many amino acids are coded for by the nucleotide sequence ATG GGA ACT CCA?

Back

4 amino acids are coded.

Front

Define homozygous.

Back

Homozygous refers to having two identical alleles for a particular gene.

Front

Define heterozygous.

Back

Heterozygous refers to having two different alleles for a particular gene.

Front

What is a dihybrid cross?

Back

A dihybrid cross is a genetic cross that examines the inheritance of two different traits.

Front

What is the purpose of a Punnett square?

Back

A Punnett square is used to predict the genotypes and phenotypes of offspring from a genetic cross.

Front

What is the role of plasmids in genetic engineering?

Back

Plasmids are used as vectors to transfer genetic material into cells.