Genetics and Human Traits

What is one form of the gene that controls inherited traits?

• mitosis

• meiosis

• a nucleus

• an allele

Tags

NGSS.HS-LS3-1

How many alleles does each person carry for a trait?

• 1

• 2

• 3

• 4

How many alleles does a child get from each parent for each trait?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Aa, DD, bB, yy are all examples of

• genotypes
• phenotypes

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

• recessive
• dominant
• lower case letter
• both 

The physical trait (appearance) that can be seen.

• Genotype
• Phenotype
• Homozygous
• Heterozygous

Tags

NGSS.HS-LS3-3

T = tall and t = short In this punnett square with two heterozygous parents. What genotype belongs in the missing square?

• tt
• Tt
• Bb
• TT

Tags

NGSS.HS-LS3-2

B = brown eyes b = blue eyes

One brother has genotype BB the other brother has Bb.

What is true about these two brothers that have brown eyes?

• they have same phenotype and genotype
• they have different genotypes and phenotypes
• they have same phenotype but different genotypes
• they have same genotype but different phenotypes

Tags

NGSS.HS-LS3-2

AA and Aa always show up as

• dominant
• recessive

Tags

NGSS.HS-LS3-1

aa always shows up as

• dominant
• recessive

Tags

NGSS.HS-LS3-1