Genetics

Front

What is a phenotype?

Back

The physical trait of an organism.

Front

Where is DNA located in a eukaryotic cell?

Back

In the nucleus.

Front

What is the genotype for a yellow plant if G = green and g = yellow?

Back

gg

Front

If a heterozygous tall pea plant (Tt) is crossed with a short pea plant (tt), what are the possible genotypes of the offspring?

Back

50% Tt, 50% tt

Front

What is an allele whose trait only shows up when no dominant allele is present?

Back

Recessive allele.

Front

What is a genotype?

Back

The genetic makeup of an organism.

Front

What does a dominant allele do?

Back

It masks the effect of a recessive allele.

Front

What is the difference between homozygous and heterozygous?

Back

Homozygous has two identical alleles; heterozygous has two different alleles.

Front

What is a Punnett square used for?

Back

To predict the genotypes of offspring from a genetic cross.

Front

What is the role of ribosomes in a cell?

Back

They synthesize proteins based on the genetic code.