Introduction to Genetics

A segment of DNA that controls a trait is known as a ______.

• gene
• trait
• feature
• chromosome

Tags

NGSS.HS-LS3-1

An alternate form of a gene (for example, brown and white for fur color) is known as a(n)______.

• allele
• trait
• feature
• gene

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

States that the two alleles for a gene pair will separate during meiosis.

• Law of Independent Assortment
• Law of Segregation

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NGSS.HS-LS3-2

The passing of traits from parent to offspring 

• Heredity 
• Genetics 
• Hybrid 
• Probability 

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

Who was the father of genetics 

• Sagan 
• Issac Newton 
• Gregor Mendel 
• C.jenkins 

The study of heredity and the variation of inherited characteristics 

• gene
• genetics 
• meiosis 
• hybrid 

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

which is heterozygous ?

• Tt

• TT

• tt

• T'T'

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NGSS.HS-LS3-1

Which is homozygous ?

• Zz
• SS

the genetic makeup of an organism

• heterozygous
• punnet square
• genotype

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

A homozygous dominant dog with brown fur is crossed with a heterozygous dog with brown fur. What are the percentages of the possible genotypes?

• 100% BB
• 75% BB and 25%Bb
• 50 % BB and 50% Bb
• 50% Bb and 50% bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3