Genetics

Genotype refers to the ...

• physical expression of the genes

• the possible combination of alleles in a gene

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

• homozygous

• hetrozygous

• protein

• chromosome

having two DIFFERENT genes for a trait

• protein

• homozygous

• heterozygous

• genotype

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)

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

when you have two of the same genes

• heterozygous
• recessive
• homozygous

Tags

NGSS.HS-LS3-1