Genes and Alleles

Expressed only if NO dominant version is present

• homozygous

• heterozgyous

• allele

• recessive

What is a gene?

• A bundle (like a hot dog bun) that the DNA is packed into

• something inside the nucleus

• a piece of DNA

• all of your DNA

Tags

NGSS.HS-LS1-1

The alleles that an organism has

• genotype

• phenotype

• chromosome

• recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which is Heterozygous?

• Tt

• BB

• ff

• Dominant

Tags

NGSS.HS-LS3-2

Which is homozygeous?

• Tt

• BB

• Ff

• Blue

Two different alleles for the same trait.

• Heterozygous

• Homonzygous

• Dominant

Two identical alleles for the same trait.

• Heterozygous

• Homozygous

• Dominant

The Alleles Bb are

• Homozygous

• Heterozygous

• Homozygous Dominant

Which of the following is an example of Genotype?

• Tt

• Tall

Which of the following Genotypes would be considered heterozygous

• BB

• gg

• Ff

• TT