Genetics and Heredity Intro

the passing of genetic traits from parent to offspring.

• heredity

• trait

• gene

• allele

Tags

NGSS.HS-LS3-1

having two of the same genes for the trait (sometimes called purebred).

• homozygous

• hetrozygous

• protein

• chromosome

Tags

NGSS.HS-LS3-1

An allele whose trait only shows up when no dominant allele is present.

• hidden allele

• dominant allele

• recessive allele

• present allele

The dominant trait is

• yellow pea seeds

• green pea seeds

• there is no dominant seed

• Jolly green giant

Tags

NGSS.HS-LS3-1

This little guy has a recessive trait. Choose the best statement.

• Both parents gave him an "h". (hh)

• He has one "H" and one "h".

• He will die without hair.

• He is a baby and his hair will grow in a few more days.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

How many generations are shown in this pedigree?

• 1

• 2

• 3

• 4

How are individuals I-2 and III-5 related?

• Grandpa and grandson

• Mom and son

• Uncle and nephew

• Grandma and grandson

Tags

NGSS.HS-LS3-1

the genetic code for the gene

• phenotype

• genotype

• homozygous

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Which of the following is a phenotype?

• Aa

• red hair

• heterozygous genes

• mutated DNA

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

• recessive

• dominant

• lower case letter

• both