Genetics

How many chromosomes are present in the human cell nucleus?

• 23 chromosomes or 46 pairs

• 46 pairs or 92 chromosomes

• 46 chromosomes or 23 pairs

• 32 chromosomes or 16 pairs

These are the basic building blocks of all living things.

• DNA

• cells

• genes

• chromosomes

The molecule that carries the genetic instructions for all living organisms.

• DNA

• genes

• chromosomes

• nucleus

A stretch of DNA with instructions for one trait.

• DNA

• genes

• chromosomes

• nucleus

This part of the cell contains the chromosomes.

• Cell membrane

• mitochondria

• vacuoles

• nucleus

______ is the transfer of traits from one generation to another generation.

• DNA

• Genetics

• Heredity

• traits

______ is the characteristics or features of an organism that were passed from parent to offspring.

• inherited traits

• dominant traits

• recessive traits

• acquired traits

The trait that hides other traits when passed to offspring.

• inherited traits

• dominant traits

• recessive traits

• acquired traits

This trait is shown when both parents pass the gene to the offspring.

• inherited traits

• dominant traits

• recessive traits

• acquired traits

This trait is learned and not genetically passed down.

• inherited traits

• dominant traits

• recessive traits

• acquired traits