Biology Final Exam Review

An allele that is masked when a dominant allele is present. The "weaker" gene. 

• Dominant Allele
• Recessive Allele

Tags

NGSS.HS-LS3-2

An allele whose trait always shows up in the organism when the allele is present. The "stronger" gene. 

• Dominant Allele
• Recessive Allele

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-3

An organism’s genetic makeup or allele combination.

• Genotype
• Phenotype
• Beanotype
• Notype

Tags

NGSS.HS-LS3-1

An organism’s physical appearance, or visible traits. 

• Genotype
• Phenotype
• Beanotype
• Notype

Tags

NGSS.HS-LS3-1

What is called when a organism has  two different alleles for a trait. Tt or Rr

• Heterozygous
• Homozygous
• Domozygous
• Thermozygous

Tags

NGSS.HS-LS3-1

What is called when a organism has two identical alleles for a trait. TT or tt. RR or rr

• Heterozygous
• Homozygous
• Domozygous
• Thermozygous

Tags

NGSS.HS-LS3-1

Scientists use capital and small letters to show the _____ of an organism. 

• genotype
• genetic disorder
• phenotype
• genome

In a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being purple?

• 25%
• 0%
• 100%
• 50%

Tags

NGSS.HS-LS3-3

In a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being white?

• 25%
• 0%
• 100%
• 50%

Tags

NGSS.HS-LS3-3

Homozygous is when...

• the alleles are the same
• the alleles are different
• the alleles are absent
• the alleles are present

Tags

NGSS.HS-LS3-2