ON LEVEL Introduction Genetics

What did Mendel call the two kinds of traits exhibited by the pea plants (one coming from the father, one from the mother)?

• Genesis
• Elective traits
• Alleles
• Quadrants

What do we call the result of the genotype (for example, the color of the peas)?

• Visible traits
• Physiotrait
• Genotype 2
• Phenotype

If green is dominant over purple, then what is the genotype for this individual?

• Purple
• Green
• GG
• gg

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Another word for homozygous is...

• purebred
• hybrid
• heterozygous
• dominant

A __________ is a segment of DNA that codes for a particular protein, which leads to a particular trait.

• Gene
• Allele
• Codon
• Nucleotide

Tags

NGSS.HS-LS1-1

What is the predicted percentage of homozygous recessive offspring in this cross?

• 0%

• 25%

• 50%

• 75%

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-3

The dominant trait in this punnett square is

• yellow pea seeds
• green pea seeds
• there is no dominant seed

Tags

NGSS.HS-LS3-1

Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?

• 0 %
• 25%
• 50%
• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Which part of the diagram represents a gene?

Tags

NGSS.HS-LS3-1

How many chromosomes do human cells contain?

• 92

• 23

• 69

• 46

Answer explanation

Human cells contain 46 chromosomes, not 92, 23, or 69.