Unit 3 Genetics

What is a variation of a gene?

• Chromosome

• Allele

• Dominant

• Recessive

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

What does the prefix "homo" mean?

• Different

• Neither

• Same

• Neutral

What does the prefix "hetero" mean?

• Different

• Neither

• Same

• Neutral

Which genotype represents Homozygous Dominant?

• AA

• Aa

• aa

• aA

Which genotype represents Homozygous Recessive?

• AA

• Aa

• aa

• aA

Which genotype represents Heterozygous?

• AA

• Aa

• aa

• aA

Alternate versions of genes (different alleles) account for ___ in inherited characteristics.

• Chromosomes

• Variations

• DNA

• Protein

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which mutation deals with a lack of pigment or skin, hair and eye color?

• Sickle Cell Anemia

• Tay-Sachs Disease

• Albinism

• Down Syndrome

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which mutation deals with a build up of fatty substances due to a lack of enzymes?

• Sickle Cell Anemia

• Tay-Sachs Disease

• Albinism

• Down Syndrome

Tags

NGSS.HS-LS3-2

Which mutation deals with an extra chromosome on the 21st pair of chromosomes?

• Sickle Cell Anemia

• Tay-Sachs Disease

• Albinism

• Down Syndrome