NGSS.HS-LS3-1

How is colorblindness inherited and what would be a colorblind male's genotype?

• x-linked recessive; X^hy
• autosomal recessive; hh
• autosomal dominant; HH or Hh
• x-linked dominant; X^Hy

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NGSS.HS-LS3-1

The sex chromosomes of a female.

• XX
• YY
• XY

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NGSS.HS-LS3-1

In butterfly bushes, dark purple and pink parents will produce offspring with lavender flowers. This is a result of 

• codominance
• incomplete dominance
• complete dominance
• recessive dominance

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NGSS.HS-LS3-1

Which of the following best describes the genetic material a person receives from his or her father?

• 22 pairs of homologous chromosomes and an X and Y chromosome

• 22 haploid cells and an X or Y chromosome

• 23 diploid cells and an X and Y

  chromosome

• 22 autosomes and an X or Y

  chromosome

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NGSS.HS-LS3-1

There are a set of red flowers (R) and a set of White flower (W) at the floral shop. The florist wants mix a white and red flower together. This is called incomplete dominance. What is the genotypic ratio of the RR x WW?

• 50 % RR, 25% RW , 25% WW

• 75 % RW 25 % WW

• 100 % RW

• 25 % RR, 50 % RW , 25 % WW

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NGSS.HS-LS3-1

Homozygous recessive

• QQ

• Qq

• qq

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NGSS.HS-LS3-1

Do the puppy in the picture looks like it's parent ?

• yes

• no

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NGSS.HS-LS3-1

The physical appearance of an organisms is its

• Genotype

• Phenotype

• characteristic

• Heterozygous

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NGSS.HS-LS3-1

color blindness is an X-linked recessive trait. A color-blind woman and a color-blind man have a son. What is the probability that the son is also color-blind?

• 0%

• 25%

• 50%

• 100%

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NGSS.HS-LS3-1

How many of the offspring would have a black, smooth coat?

• 9

• 7

• 3

• 1

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NGSS.HS-LS3-1