Genotypes

Quiz
•
Science
•
9th - 12th Grade
•
Easy
Standards-aligned
Jennifer Degutis
Used 4+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
heterozygous
RR
rr
Rr
Answer explanation
Heterozygous refers to having two different alleles for a trait. In this case, 'Rr' represents one dominant allele (R) and one recessive allele (r), making it the correct choice. 'RR' and 'rr' are homozygous.
Tags
NGSS.HS-LS3-2
NGSS.HS-LS4-3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
homozygous recessive
RR
rr
Rr
Answer explanation
The term 'homozygous recessive' refers to an organism with two identical recessive alleles. In this case, 'rr' represents homozygous recessive, while 'RR' is homozygous dominant and 'Rr' is heterozygous.
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
homozygous dominant
RR
rr
Rr
Answer explanation
The term 'homozygous dominant' refers to an organism with two identical dominant alleles. In this case, 'RR' represents homozygous dominant, while 'rr' is homozygous recessive and 'Rr' is heterozygous.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
homozygous dominant
TT
tt
Tt
Answer explanation
The term 'homozygous dominant' refers to an organism with two identical dominant alleles. In this case, 'TT' represents homozygous dominant, while 'tt' is homozygous recessive and 'Tt' is heterozygous.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
homozygous recessive
TT
tt
Tt
Answer explanation
The term 'homozygous recessive' refers to an organism with two identical recessive alleles. In this case, 'tt' represents homozygous recessive, while 'TT' is homozygous dominant and 'Tt' is heterozygous.
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
heterozygous
TT
tt
Tt
Answer explanation
A heterozygous genotype consists of two different alleles for a trait. 'Tt' represents one dominant allele (T) and one recessive allele (t), making it heterozygous. 'TT' and 'tt' are homozygous genotypes.
Tags
NGSS.HS-LS3-1
NGSS.HS-LS3-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the genotype for a homozygous recessive trait?
AA
aa
Aa
Answer explanation
The genotype for a homozygous recessive trait is represented by two lowercase letters, indicating that both alleles are recessive. Therefore, the correct answer is 'aa', while 'AA' and 'Aa' represent dominant or heterozygous traits.
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