Biology 1B Semester 1 Final

Front

What is the probability of obtaining white fur in a Punnett square where B = brown fur and b = white fur?

Back

50%

Front

What is the correct order of DNA replication?

Back

3, 4, 1, 2

Front

What do DNA replication results in?

Back

Each DNA molecule has one new strand and one original strand.

Front

What genotype is represented by 'bb'?

Back

It represents a homozygous recessive trait.

Front

What do the letters in a DNA molecule represent?

Back

Molecular bases.

Front

Define homozygous.

Back

An organism with two identical alleles for a trait.

Front

Define heterozygous.

Back

An organism with two different alleles for a trait.

Front

What is a Punnett square used for?

Back

To predict the genotypes of offspring from parental crosses.

Front

What are the four main types of molecular bases in DNA?

Back

Adenine (A), Thymine (T), Cytosine (C), Guanine (G).

Front

What is the role of enzymes in DNA replication?

Back

Enzymes help to unwind the DNA and synthesize new strands.