Genetics I

Different forms of a gene are called 

• hybrids.
• dominant factors.
• alleles.
• recessive factors.

Tags

NGSS.HS-LS3-2

A punnett square is used to determine the 

• probable outcome of a cross.
• actual outcome of a cross.
• result of mitosis.
• result of meiosis.

Tags

NGSS.HS-LS3-3

Organisms that have two identical alleles for a particular trait are said to be 

• hybrid.
• heterozygous.
• homozygous.
• dominant.

The physical characteristics of an organism are its

• genetics.
• heredity.
• phenotype.
• genotype.

Two pink-flowering plants are crossed. The offspring flower as follows: 25% red, 25% white, 50% pink. What pattern of inheritance does flower color in these flowers follow?

• dominance

• multiple alleles

• incomplete dominance

• recessiveness

What do you call an organism's genetic makeup?

• Phenotype
• Hybrid
• Genotype
• Homozygous

Tags

NGSS.HS-LS1-1

Which of the following is a phenotype?

• Aa
• red hair
• heterozygous genes
• mutated DNA

Tags

NGSS.HS-LS3-2

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

• recessive
• dominant
• lower case letter
• both 

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CCSS.RF.3.3B

CCSS.RF.3.3C

CCSS.RF.3.3D

CCSS.RF.4.3A

CCSS.RF.5.3A

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

At minimum, how many alleles (letters) does each person carry for a trait?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2