2nd 9 Week Review

Front

What is sickle cell anaemia?

Back

A genetic disorder where red blood cells become misshapen, leading to various health complications.

Front

What amino acid is replaced in sickle cell anaemia?

Back

Glutamic acid is replaced by valine.

Front

What triplet codes for valine?

Back

GUG.

Front

What is a dominant trait?

Back

A trait that is expressed in the phenotype even when only one copy of the allele is present.

Front

What is the dominant trait in pea plants?

Back

Yellow pea seeds.

Front

What does cell differentiation mean?

Back

The process by which a less specialized cell becomes a more specialized cell.

Front

What is a codon?

Back

A sequence of three nucleotides that codes for a specific amino acid.

Front

What amino acid is represented by the codon UUA?

Back

Leucine.

Front

What is the significance of DNA in inheritance?

Back

DNA carries genetic information that is passed from parents to offspring.

Front

What percentage of an individual's DNA comes from each parent?

Back

50%.