PBS - Unit 2.2 Flashcard

Front

Heterozygous is when...

Back

the alleles are different.

Front

Bundled up, organized DNA is called a

Back

chromosome.

Front

In a Punnett square, what is the probability for white fur if B = brown fur and b = white fur?

Back

50%.

Front

What you see, or the physical appearance, is called?

Back

Phenotype.

Front

The genotype for a yellow plant if G = green and g = yellow is...

Back

gg.

Front

What is the definition of a gene?

Back

A gene is a segment of DNA that contains the instructions for building a specific protein or trait.

Front

What does homozygous mean?

Back

Homozygous means having two identical alleles for a particular gene.

Front

What is a trait?

Back

A trait is a characteristic or feature of an organism, often determined by genes.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup of an organism, while phenotype refers to the observable characteristics.

Front

What is a Punnett square used for?

Back

A Punnett square is used to predict the genetic outcomes of a cross between two organisms.