7th grade Genetics

Which of the following is an example of a genotype

• Blue eyes

• Round seed

• Purple flower

• Pp

Recessive traits are hidden when the dominant traits are present.

• True

• False

An organisms physical traits are called what?

• Genotype

• Genetic Variation

• Phenotype

• Homozygous

Homozygous dominant is an example of what?

• Genotype

• Phenotype

Which of the following is an example of a phenotype?

• Blue eyes

• Tt

• Pp

• pp

Two heterozygous brown eyed parents have a baby. What is the chance the baby will have blue eyes (recessive)?

• 0%

• 25%

• 50%

• 75%

A human body (somatic) cell usually has how many chromosomes?

• 6

• 22

• 4

• 46

Tags

NGSS.HS-LS3-1

The cells produced via meiosis are called:

• sex cells
• somatic cells
• body cells
• skin cells

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NGSS.HS-LS3-2

The genetic make up of an organism is a

• Phenotype

• Genotype

• Xylem

• Homozygous

How are your chromosomes inherited?

• most of your chromosomes from your mother
• most of your chromosomes from your father
• a random number of chromosomes from each parent
• half your chromosomes from your mother and half from your father.

Tags

NGSS.HS-LS3-1