Bio Semester Test Chapter 11-15 Review

_______________ states that organisms with variations most suited to their environment survive and leave more offspring. 

• directional selection
• artificial selection
• natural selection
• sexual selection 

Which of the following is a phenotype?

• Aa
• red hair
• heterozygous
• BB

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NGSS.HS-LS1-1

The process of making changes in the DNA code of a living organism is called

• selective breeding 
• genetic engineering
• inbreeding
• hybridization

Glowing cats that contain jellyfish biolumenesence genes inserted into their DNA are an example of?

• neon dye
• transgenics
• cloning
• gene therapy

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NGSS.HS-LS3-2

What is the ultimate source of genetic variation?

• inbreeding
• hybridization
• mutations
• radiation

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NGSS.HS-LS3-2

NGSS.HS-LS4-2

Which process and type of resulting cells are represented?

• mitosis, gametes
• mitosis, body cells
• meiosis, gametes
• meiosis, body cells

Which best describes the process shown?

• mutation in which the DNA content of the gene is ltered
• segregation of sister chromatids
• condensation and segregation of the alleles
• crossing-over which alleles are exchanged

If an intestinal cell in a butterfly contains 24 chromosomes, a butterfly egg would contain

• 3
• 6
• 12
• 24

A male shark has 40 chromosomes in each of its sex cells. How many would be present in its body cells?

• 20
• 40
• 80
• 160

How many daughter cells are produced at the end of meiosis?

• 1
• 2
• 3
• 4