Monohybrid Punnett Squares Quiz

What is a Punnett square used for in genetics?

• Identifying the parents of offspring

• Calculating the age of offspring

• Determining the gender of offspring

• Predicting the traits of offspring

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

Homozygous = same "case" (both upper or both lower) Heterozygous = 1 upper case 1 lower case

What is the genotype of pea plants with homozygous yellow seeds if yellow seeds are dominant?

• YY

• Yy

• yy

• GG

Tags

NGSS.HS-LS3-1

In a monohybrid cross of pea plants with yellow (YY) and green (yy) seeds, what will be the genotype of 100% of the offspring?

• yy

• YY

• Yy

• GG

Tags

NGSS.HS-LS3-1

What does a Punnett square help scientists understand?

• How traits are inherited from offspring to parents

• How traits are inherited from parents to offspring

• How traits are inherited from siblings to parents

• How traits are inherited from grandparents to offspring

Tags

NGSS.HS-LS3-1

Monohybrid crosses involve crossing ___ trait(s).

• two

• four

• a dominant and a recessive

• one

What is the phenotype (physical trait) of the offspring when a homozygous yellow (YY) and homozygous green (yy) pea plant are crossed in a monohybrid cross?

• Green

• Green & Yellow

• Yellow

• A blend of green & yellow.

Tags

NGSS.HS-LS3-1

Heterozygous genotypes look like

• Hh

• HH

• hh

• All of the above.

Tags

NGSS.HS-LS3-1

The genotype is ____ while the phenotype is the _____.

• physical trait,

  genetic trait

• physical trait,

  gene assemblage

• set of alleles (letters),

  physical trait expressed

• set of alleles,

  the physical letters

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A dominant allele (gene) is one that masks over the ____ allele (gene).

• codominant

• incompletely dominant

• dominant

• recessive

TT

• homozygous

  recessive

• heterozygous

  dominant

• homozygous

  dominant

• heterozygous

  recessive

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2