Honors Unit 8 Genetics Review

Define Alleles

• Molecule which contains the genetic information for an organism.

• Different versions of the same gene.

• all the chromosomes/DNA that code for an individual’s traits.

• Condensed DNA that is visible during cell division.

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NGSS.HS-LS3-2

Define Gene

• Condensed DNA that is visible during cell division.

• Different versions of the same gene.

• A section of DNA that codes for specific proteins/traits.

• Molecule which contains the genetic information for an organism.

Tags

NGSS.HS-LS3-2

During what process does independent assortment and segregation of alleles occur?

• Mitosis

• Meiosis

• Fertilization

Tags

NGSS.HS-LS3-2

A genotype describes the physical characteristics of an individual.

• True

• False

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NGSS.HS-LS1-1

A phenotype describes the genetic make-up of an individual.

• True

• False

What is the relationship between phenotype and genotype?

• The phenotype determines the genotype.

• The genotype determines the phenotype.

• There is no relationship between phenotype and genotype.

Tags

NGSS.HS-LS3-1

Tt is an example of...

• Homozygous Dominant

• Heterozygous

• Homozygous Recessive

A Punnett square shows all of the following EXCEPT

• All possible results of a genetic cross.

• The possible genotypes of the offspring.

• The alleles in the gametes of each parent.

• The actual genotypes of the offspring.

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

• Tt
• tt
• TT
• t

Tags

NGSS.HS-LS3-1

Which of the following is a phenotype?

• Aa
• red hair
• heterozygous genes
• mutated DNA

Tags

NGSS.HS-LS3-2