Punnett Square and Pedigree Quiz Review

Which of the following describes a genotype?

• The number of chromosomes an organism possesses

• The number of traits an organism has

• An observable product of an organism's genetic make up

• An organism's genetic make up

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NGSS.HS-LS3-2

Which of these is an example of a genotype?

• Attached earlobes

• ee

When will a dominate trait show its effect?

• In the presence of one dominant gene

• Even if no recessive genes for that trait are present

• Only if the mother has the recessive gene

• When two recessive genes for a trait are present

What are Punnett squares used for?

• Clone a portion of an organism's DNA

• Show an offspring's exact traits

• Combine strands of DNA

• Make genetic predictions

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NGSS.HS-LS3-3

Which of the following describes a phenotype?

• the number of traits and organism has

• An observable product of an organism's genetic make up

• An organism's genetic make up

• The number of chromosomes an organism possesses

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NGSS.MS-LS4-4

Which of these is an example of a phenotype?

• bb

• blue eyes

When will a recessive gene show its effect?

• In the presence of one recessive gene

• Even if no recessive genes for that trait are present

• When two recessive genes for a trait are present

• Only if the mother has the recessive gene

In mice, assume that black fur is dominant and brown fur is recessive. A male black mouse and a female brown mouse have a baby, which is brown. Which most likely describes the genes of the parent mice?

• The male parent carries the recessive gene, while the female carries the dominant gene

• The female parent carries the recessive gene, while the male carries the dominant gene

• Neither parent carries the recessive gene; brown fur was a mutation

• Both parents carry the recessive genes

Tags

NGSS.MS-LS3-2

Which of the following genotypes will have the greatest change of producing the most offspring that have recessive traits?

• Rr and Rr

• RR and RR

• rr and rr

• RR and Rr

Tags

NGSS.HS-LS3-1

A pea plant with round seeds is crossed with a pea plant with wrinkled seeds. All the offspring have round seeds. What can you conclude about wrinkled seeds?

• The wrinkled shape is a recessive trait

• The wrinkled shape is an acquired trait

• The wrinkled shape is a dominant trait

• The wrinkled shape is an incomplete shape