Genetics

TT,tt,PP,pp,SS,ss are examples of alleles that are?

• homozygous
• heterozygous
• different
• homologous 

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is a phenotype

• The genetic make up (code)
• The physical trait

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

having two different genes for a trait (sometimes called hybrid).

• protein
• homozygous
• heterozygous
• genotype

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

G = green, g = yellow
The genotype for a yellow plant is...

• GG
• Gg
• gg
• all of the choices result in yellow

Tags

NGSS.MS-LS3-1

Where, in the eukaryotic cell, is DNA located?

• ribosomes
• nucleus
• E.R.
• cytoplasm

Tags

NGSS.MS-LS1-2

What does heterozygous mean?

• An organism that has the same genes for a trait (TT or tt)
• An organism that has different genes for a trait (Tt)
• When neither gene is fully dominant; offspring is a mixture of both
• the different forms of a trait (hair color--> brown, blonde, red

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following is homozygous dominant?

• Yy
• Y
• yy
• YY

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

• hidden allele
• dominant allele
• recessive allele
• present allele

An offspring will receive how many alleles from each parent to determine a specific trait?

• one
• two
• three
• five

Tags

NGSS.HS-LS3-1