DNA Gene Chromosome

Which of the following is used to determine genetic defects or if an extra or missing chromosome exist in an organism?

• Homozygous Chromosomes

• Alleles

• Karyotype

• Traits

What are found within chromosomes?

• Karyotype

• nucleus

• genes

• traits

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Where are chromosomes found in a cell?

• in the mitochondria

• in the cell membrane

• in the cytoplasm

• in the nucleus

Tags

NGSS.HS-LS3-1

How many alleles for the same gene do offspring get?

• 1

• 2

• 23

• 100's to 1000's

Tags

NGSS.HS-LS3-1

Homologous Chromosomes are a combination of how many chromosomes from each parent?

• 1 from each parent

• 2 from each parent

• 1/2 from each parent

• 23 from each parent

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is a variation of a particular gene such as brown and blue eyes?

• Karyotype

• DNA

• Allele

• Chromosome

Tags

NGSS.HS-LS3-2

Which of the following can a homologous pair of chromosomes contain?

• always 2 different alleles for the same gene

• always 2 of the same allele for a gene

• either 2 of the same allele or 2 different alleles for the same gene

What is an organized picture of all of an organism’s homologous chromosome pairs lined up with each other?

• DNA

• A Chromosome

• Karyotype

• Allele

Which chromosome determines if someone will be male or female?

• # 20

• # 13

• # 23

• # 46

Which set of chromosomes represents a male?

• XX

• XY

• XXY

• XYY