genetics review

Which of the following alleles is homozygous (purebred) recessive?

• Tt
• tt
• TT
• t

Which of the following is a phenotype?

• Aa
• red hair
• heterozygous genes
• mutated DNA

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

Which of the following is homozygous dominant?

• Yy
• Y
• yy
• YY

In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the probability of having a white flowered plant if the parents were heterozygous red and homozygous red?

• 0%
• 25%
• 50%
• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

what is Bb?

• ressesive
• Dominate
• Heterozygous
• I don't know...

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The passing of physical characteristics from parent to offspring is __________.

• genetics
• heredity
• genes
• traits

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

When a capital letter is used, what kind of allele is being represented?

• Recessive Allele
• Codominance
• Punnett Squares
• Dominant Allele

characteristic that is inherited; can be either dominant or recessive

• genes
• allele
• chromosome
• trait

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

When does DNA replication take place?

• G₁
• S
• G₂
• Mitosis