Genetics Question Preview (ID: 58777)


Unit 6. TEACHERS: click here for quick copy question ID numbers.

A girl can roll her tongue (Rr) What is her phenotype for this trait?
a) Tongue roller
b) Non-tongue roller
c) Rr
d) RR

A girl can roll her tongue (Rr) What is her genotype for this trait?
a) Rr
b) rr
c) RR
d) tongue roller

A baby has a pair of X chromosomes (XX) for its 23rd pair. What is the sex of the baby?
a) Girl
b) Boy
c) You can't tell
d) It will be an alien

Which type of cell reproduction involves two cells joining together to make one new cell??
a) Sexual
b) Asexual
c) Both asexual and sexual
d) BOGO

Which type of cell reproduction results in offspring identical to parents?
a) Asexual
b) Sexual
c) Both asexual and sexual
d) Identical

Which type of cell reproduction results in new cells?
a) Both asexual and sexual
b) Asexual
c) Sexual
d) Double

If snails have 24 chromosomes in most of their cells? How many chromosomes are in their sex cells?
a) 12
b) 6
c) 24
d) 48

How many chromosomes are in MOST human cells?
a) 46
b) 23
c) 92
d) 184

If snails have 24 chromosomes in most of their cells? How many chromosomes are in their body cells?
a) 24
b) 12
c) 6
d) 48

What is the name of the twisted ladder shape of DNA?
a) Double helix
b) Helix
c) Roller coaster
d) Bill NyeWhat

What does DNA stand for
a) deoxyribonucleic acid
b) deriboxynucleic acid
c) detoxicnoxyic acid
d) none of these

Which statement is true about the girl who can roll her tongue (Rr)?
a) She is homozygous recessive for this trait.
b) She is heterozygous dominant for this trait.
c) She is heterozygous for this trait.
d) She is weird.

What does the word pheno mean
a) to appear
b) different
c) same
d) to begin

What does the root hetero mean?
a) different
b) same
c) to appear
d) to begin

There is a pair of twins that includes 1 boy and 1 girl. Which statement(s) must be true?
a) They are fraternal twins
b) They are identical twins
c) One is fraternal and one is identical
d) They are neither fraternal or identical

What letter would represent the part on the DNA ladder that matches with G??
a) C
b) A
c) G
d) T

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