Variations in Genetics

When an offspring has the recessive form of a trait, what does that mean about the parents?

• Both parents must have 2 dominant alleles

• one of the parents has 2 dominant alleles and the other parent has 2 recessive alleles

• one parent has 2 recessive alleles and the other parent 1 dominant and 1 recessive allele

• recessive traits never show up

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following is NOT an example of a genotype?

• RR

• Rr

• rr

• long

Which genotype should go in space #3?

• DD

• dd

• dD

• Dd

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What are the letters Ss and example of ?

• homozygous genes

• domianant genes

• heterozygous genes

• recessive genes

What do the letters nn represent?

• recessive genes

• dominant genes

• heterzygous genes

• homozygous genes

What is a section of DNA called?

• phenotype

• gene

• chromosome

• mutation

Tags

NGSS.HS-LS3-1

A measure of the genetic variation among individuals of a population

• Genetic diversity

• Probability

• Adaptability

• Ratio

Tags

NGSS.HS-LS4-2

What causes variation?

• Your environment

• Your genes and your environment

• Your genes

• Your names

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NGSS.HS-LS3-2

NGSS.HS-LS4-2

NGSS.HS-LS4-5

Where are genes found?

• In the mitochondria

• In our bone marrow

• Chromosomes, in the nucleus of a cell

• In our brains

Tags

NGSS.HS-LS3-1

Where do offspring get their genes?

• Half from their mom, half from their dad

• From their mom

• From their dad

• From their brains

Tags

NGSS.HS-LS3-1