Cross

Quiz
•
Science
•
10th Grade
•
Hard
Standards-aligned
Charles Martinez
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In African-violet plants, purple flowers are dominant to white flowers. You purchase an African-violet plant with white flowers. It's genotype could be represented as :
PP
Pp
pP
pp
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
To discover whether an animal showing the dominant trait is homozygous or heterozygous, it must be crossed with an animal that is:
homozygous dominant
homozygous recessive
heterozygous
choices B & C
Tags
NGSS.HS-LS3-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Two tall pea plants are crossed, producing 105 tall plants & 32 short plants. The genotypes of the tall parent plants are:
Tt & Tt
TT & Tt
Tt & tt
tt & tt
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A spotted dalmation is mated with a pure-white dalmation (ss) to deteremine whether its genotype is SS or Ss for spots. Three puppies are born, all with spots. We can conclude that the spotted dalmation is SS.
TRUE
FALSE
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In mice brown (B) is dominant to white (b). A brown mouse is mated with a white mouse. Twelve brown mice are produced. The brown mouse's genotype is:
BB
Bb
bb
a reliable conclusion can't be reached
Tags
NGSS.HS-LS3-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Two brown-eyed parents have a child with blue eyes. The best explanation is:
a mutation occured before the child was born
both parents carry the allele for blue eyes
both parents are pure for brown eyes
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which scenario best supports the conclusion that a black guinea pig's genotype is homozygous dominant?
after mating with a white guinea pig, 2 black & 2 white guinea pigs were produced
after mating with a white guinea pig, 10 black & 8 white guinea pigs were produced
after mating with a white guinea pig, 12 black guinea pigs were produced
after mating with a black guinea pig, 4 black guinea pigs were produced
Tags
NGSS.HS-LS3-1
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