Genetics Intro!!

What is a trait?

• Your DNA

• The things that make an individual unique

• common characteristics in a species

• chromosomes

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NGSS.HS-LS3-1

What is a gene?

• A segment of DNA that codes for a protein/trait

• A duplicated chromosome

• A segment of RNA that codes for a bean

• The physical characteristics you exhibit

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NGSS.HS-LS1-1

NGSS.HS-LS3-1

How many chromosomes do humans have (typically)?

• 46

• 23

• 92

• 16

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NGSS.HS-LS3-1

What is the word we use to describe different versions of the same gene?

• chromosomes

• alleles

• variants

• proteins

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NGSS.HS-LS3-2

How many alleles for a gene do we get from each parent?

• 1

• 2

• 3

• 4

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NGSS.HS-LS3-1

How do we write DOMINANT alleles?

• capital letters

• lowercase letters

How do we write RECESSIVE alleles?

• lowercase letters

• uppercase letters

If someone has the genotype Bb, will they express the dominant or recessive trait?

• dominant

• recessive

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NGSS.MS-LS3-1

What is a genotype?

• the physical characteristics

• One's visible traits

• The genetic makeup

• The protein

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NGSS.HS-LS3-2

What is a phenotype

• The genetic makeup of an individual

• The physical characteristics

• The DNA of an individual

• The genes someone has