Heredity and Genetics

Which is not an inherited trait?

• freckles

• nostril flare

• tongue rolling

• hair dyed blonde

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

A dominant trait is always expressed when at least 1 parent has it.

• true

• false

Must must occur for a recessive (weak) trait to be passed to ofspring?

• both parents must have the recessive trait

• only 1 parent has the recessive trait

Which correctly shows the genotype for a person having blue eyes, if "B" is blue and "b" is green.

• Bb

• BB

• bb

• BB and Bb

Tags

NGSS.HS-LS3-1

Which genotype shows homozygous recessive

• BB

• Bb

• bb

Which genotype shows heterozygous?

• BB

• Bb

• bb

Where are genes located?

• in non-living things

• none of the above

• they surround the cell

• on chromosomes in the nucleus of cells

Which definition best defines DNA?

• a protein has fat

• hereditary material that is passed from parent to offspring

• molecules the people breathe

• hair color, freckles, dimples, etc...

The study of inherited traits is :

• genes

• genetics

• offspring

• pedigree

Tags

NGSS.MS-LS3-2

NGSS.MS-LS4-4

What is a punnett square?

• a tool scientists use to predict traits of offspring

• a multiplication square

• a section on the pedigree chart

• none of the above