Mendel

What did Gregor Mendel use to discover the principles that rule heredity?

• Pea Plant
• Pigeons
• Pear trees
• Photosynthesis

Tags

NGSS.HS-LS3-1

Which of the following is homozygous dominant?

• RR

• Rr

• rr

Tags

NGSS.HS-LS3-1

Which of the following is heterozygous?

• MM

• Mm

• mm

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following is homozygous recessive?

• PP

• Pp

• pp

Which of the following is NOT a trait you can inherit?

• your athletic ability
• your eye color
• your hairstyle
• your height

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this?

• Tall = T
  Short = S
• Tall = T
  Short = t
• Tall = t
  Short = T
• Tall = TT
  Short = tt

Tags

NGSS.HS-LS3-1

A heterozygous long-tusked elephant is crossed with a homozygous recessive short-tusked elephant. What is the probability of the offspring having short tusks?

• 0%
• 25%
• 50%
• 75%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

Heterozygous is when...

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

Tags

NGSS.HS-LS3-2

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

• recessive
• dominant
• lower case letter
• both 

T - tall and t = short
In the punnett square below, what belongs in the missing square

• tt
• Tt
• Bb
• TT

Tags

NGSS.HS-LS3-1