Cellular Genetics and Heredity

What is a gene?

• An entire chromosome that codes for a trait

• a section of DNA on a chromosome that codes for a trait

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Chromosomes are found in the ____________ of the cell

• Nucleus

• Mitochondria

Tags

NGSS.MS-LS3-1

The allele that is "weaker". The offspring will not have the trait represented unless there are two of these.

• recessive allele

• dominant allele

Tags

NGSS.HS-LS3-2

Characteristics passed from parents to their offspring.

• inherited trait

• acquired trait

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The dominant trait is:

• yellow pea seeds
• green pea seeds

Tags

NGSS.HS-LS3-1

How many chromosomes do most humans have?

• 46

• 23

Are recessive traits shown with capital or lowercase letters? 

• Capital
• Lowercase

^{Which is the stronger gene that always expressed?}

• Dominant

• Recessive

Which would be an example of a trait shaped by their environment?

• Eye color

• Language spoken

Tags

NGSS.MS-LS1-5

An allele whose trait only appears when no dominant allele is present.

• hidden allele
• recessive allele