Genetics 1 Summative Quiz

What is a specific observable characteristic of an organism?

• Gene

• DNA

• Karyotype

• Trait

Tags

NGSS.MS-LS4-2

What are strands of hereditary material that are passed from the parent to the offspring found on DNA?

• traits

• chromosomes

• phenotype

• genes

Tags

NGSS.HS-LS3-1

How many genes are on each chromosome?

• 23

• 46

• 1

• 100s to 1000s

True or False? Pairs of homologous chromosomes always are the same size and carry the same genes.

• True

• False

How many chromosomes are in each cell of a human's body?

• 46

• 1

• 2

• 100s to 1000s

What is is a single, highly organized and structured piece of DNA, which contains many genes?

• Allele

• Cell membrane

• Chromosome

• Trait

Tags

NGSS.HS-LS3-1

Where are chromosomes found?

• In the nucleus of every cell in your body

• On the cell membrane of every cell of your body

• Only in your blood

• Only in your skin cells

Tags

NGSS.MS-LS3-1

How many DNA molecules are on a chromosome?

• 2

• 1

• 23

• 46

What is a different variation of a particular gene called?

• trait

• DNA

• chromosome

• allele

Tags

NGSS.HS-LS3-2

Which of the following is correct about homologous chromosomes?

• Each one always has the same allele.

• Each one always has a different allele from the other.

• They can have 2 of the same allele or 2 different alleles

• Only 1 of the chromosomes in the pair contains both alleles.

Tags

NGSS.HS-LS3-1