Heredity (1 & 2 Trait Crosses)

Which of the following genotypes is homozygous dominant?

• Bb

• dd

• G

• RR

Physical descriptions such as hair color, eye color, height are known as an organisms ___________.

• phenotype

• genotype

The same gene can come in different versions, the different versions of a gene are called:

• Alleles

• Chromosomes

• Traits

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

Which of the following would produce a recessive phenotype?

• hh

• Rr

• Ww

• BB

If your genotype is Bb, then you can only pass a B or b separately to your child but you can't pass both. This is known as the ________.

• Law of Dominance

• Law of Segregation

• Law of Independent Assortment

Tags

NGSS.HS-LS3-2

The ___________ states that a recessive allele is only expressed when a dominant allele is not present.

• Law of Dominance

• Law of Inheritance

Different traits are inherited independently of each other

• Law of independent assortment

• Genetics law

What is the phenotypic ratio for the monohybrid cross between blue and brown eyes?

• 3:1

• 2:2

• 0:2:1

• 1:2:1

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Based on the results in the monohybrid punnett square, what is the percent chance of having a child with blue eyes?

• 75%

• 50%

• 25%

• 0%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Based on the results in the monohybrid punnett square, what is the genotypic ratio?

• 1:2:1

• 0:2:2

• 0:0:4

• none

Tags

NGSS.HS-LS4-3