Genetics Concepts and Traits

What is DNA?

• A molecule found in the nucleus of cells that contains the genetic code of that organism

• A molecule of information only found in strawberry cells

• A molecule of information only found in animal and human cells that contains a code for traits

• A molecule only found in plant cells that contains a code for traits

Tags

NGSS.HS-LS3-1

NGSS.HS-LS1-1

True or False: A recessive trait only shows if there are no dominant alleles present, there must be two recessive alleles.

• True

• False

• Impossible to answer this question

True or False: A dominant trait always shows when it's present because it covers up the recessive allele.

• True

• False

• Impossible to answer this question

True or False: A Punnett square is a model that tells you exactly what traits the offspring are going to be every single time.

• True

• False

• Impossible to answer this question

If an individual has the genotype Dd, they are called ____.

• Homozygous Dominant

• Heterozygous

• Homozygous Recessive

• Heterozygous Recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

An organism's physical appearance is also called _____.

• Alleltype

• Genotype

• Phenotype

• DNA type

An organism's genetic makeup is also called _____.

• Alleltype

• Genotype

• Phenotype

• DNA type

What are the missing genotype(s) for the possible offspring in this cross? (Check ALL that apply)

• BB

• Bb

• bb

• B or b

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the missing genotype in this cross?

• BB

• Bb

• bb

• B or b

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

There are genotypes missing from this Punnett square. Whose genotypes are missing?

• The parents

• The offspring

• Just biological mom

• Only one of the 4 offspring

Tags

NGSS.HS-LS3-1