Genetics

What is heredity?

• A kind of genetic disorder
• The way DNA divides
• A trait you inherit from your parents
• The passing down of traits from parents to children

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the relationship between DNA and chromosomes?

• Chromosomes are made of DNA
• DNA is made of chromosomes
• DNA and chromosomes are the same thing.
• All of the above are correct

Tags

NGSS.HS-LS3-1

How many pairs of chromosomes exist in each of your cells?

• 10
• 12
• 23
• 46

What is a phenotype

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

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

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

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

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Where, in the eukaryotic cell, is DNA located?

• ribosomes
• nucleus
• E.R.
• cytoplasm

Term for an organism that display two dominant phenotypes at the same time

• codominance
• incomplete dominance
• multiple alleles
• linked genes

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