8th Grade-Genetics Question Preview (ID: 14416)


Answer These Questions On Genetics To Help You Prepare For Your Rest. TEACHERS: click here for quick copy question ID numbers.

Which of the following is heterozygous?
a) Bb
b) nn
c) YY
d) HH

Which of the following is homozygous?
a) BB
b) Hh
c) Yy
d) Tt

Which best describes co-dominance?
a) both traits will show
b) only the dominant trait shows
c) only the recessive trait shows
d) a blend of traits show

Which best describes incomplete dominance?
a) a blend of traits show
b) both traits will show
c) only the dominant trait shows
d) only the recessive trait shows

Who is known as the father of genetics?
a) Gregor Mendel
b) George Washington
c) Thomas Jefferson
d) Reginald Punnett

If R represents round seeds and r represents oval seeds, which of the following will have oval seeds?
a) rr
b) Rr
c) rR
d) RR

If R represents round seeds and r represents oval seeds, what would be the genotype of a male heterozygous round breeding with a female homozygous round?
a) RR x Rr
b) Rr x Rr
c) rr x rr
d) RR x rr

When a dominant gene is present which is true?
a) The dominant phenotype will show.
b) The recessive phenotype will show
c) Neither dominant nor recessive will show.
d) The recessive phenotype will mask the dominant.

Which of the following is an example of phenotype?
a) Brown eyes
b) Bb
c) BB
d) bb

Which of the following is a genotype?
a) Bb
b) Brown Eyes
c) Brown Hair
d) Curly Hair

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