Genetics Question Preview (ID: 10574)


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Two pink-flowering plants are crossed.The offspring percentages are 25% red, 25% white and 50% pink. What pattern of inheritance does flower color in these flowers follow?
a) Multiple alleles
b) Incomplete dominance
c) Polygenic traits
d) Codominance

Most sex-linked genes in humans are found on the
a) Y Chromosome
b) X Chromosome
c) XY Chromosome
d) XX Chromosome

A situation in which a gene has more than two alleles is known as
a) incomplete dominance
b) codominance
c) polygenic dominance
d) multiple alleles

Colorblindness is a
a) Y-linked trait
b) seen in homomzygous dominant individuals
c) defect in proteins for blood clotting
d) sex-linked trait

Which of the following is not considered simple Mendelian genetics?
a) recessive/dominant traits
b) law of segregation
c) polygenic traits
d) law of independent assortment

If a characteristic is X-linked it
a) occurs mostly in males
b) occurs mostly in females
c) is always fatal
d) isn't any different than a normal allele

If you set up a 4 box punnett square for Hh x Hh what type of phenotypic ratio would you find?
a) 1:1:1:1
b) 3:1
c) 1:2:1
d) 4:0

If you set up a 4 box punnett square for Hh x Hh what type of genotypic ratio would you find?
a) 1:1:1:1
b) 3:1
c) 1:2:1
d) 4:0

If you set up a 4 box punnett square for Hh x Hh what type of genotypes would you find?
a) all HH
b) all hh
c) 1/2 HH, 1/2 hh
d) 1/4 HH, 1/2 Hh, 1/4 hh

If you set up a 4 box punnett square for Hh x Hh what type of phenotypes would you find?
a) 100% dominant
b) 75% dominant and 25% recessive
c) 100% recessive
d) 50% dominant and 50% recessive

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