Unit 6 Review

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

• recessive
• dominant
• lower case letter
• both 

Tags

CCSS.RF.3.3B

CCSS.RF.3.3C

CCSS.RF.3.3D

CCSS.RF.4.3A

CCSS.RF.5.3A

T = tall an t = short
What is the phenotype for Tt?

• short
• tall
• medium sized
• neither tall or short

Tags

NGSS.HS-LS3-1

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

NGSS.HS-LS3-3

Which of the following is homozygous dominant?

• Yy
• Y
• yy
• YY

How many chromosomes are in a sex cell?

• 46
• 23
• 26
• 43

Tags

NGSS.HS-LS3-2

When two identical alleles for a trait are in an organism, the organism is said to be ____________?

• Heterozygous
• Homozygous
• allele
• resseive

outward appearance of an organism, regardless of its genes.

• phenotype
• genotype
• haploid
• deploid

Tags

NGSS.HS-LS3-1

Are recessive traits shown with capital or lowercase letters? 

• Capital
• Lowercase

The different forms of genes are known as

• environment
• probability
• traits
• alleles

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Two of the same genes for a trait (sometimes called purebred). BB or bb

• homozygous
• hetrozygous
• protein
• chromosome

Tags

NGSS.HS-LS3-1