Inheritance Recap
Quiz by Seah Cheng Hong
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- Q1
What are alleles?
Alleles are different forms of different genes
Alleles are different forms of the same gene.
Alleles are identical forms of the same gene.
30s - Q2
A genotype is
made up of 2 alleles that shows the genetic make-up of an organism.
made up of 1 type of allele
the physical characteristic of an organism.
30s - Q3
A phenotype is
expressed as an observable trait in the organism.
is the genetic make-up of the organism.
represented by 2 alleles
30s - Q4
A dominant allele will always have its phenotype displayed as the trait observed.
true
false
30s - Q5
A recessive allele will only have its phenotype displayed as the trait observed if
2 recessive allele is present in the genotype
1 recessive allele is present in the genotype
3 recessive allele is present in the genotype
30s - Q6
If 'B' represents the dominant allele for black hair colour and 'b' represents the recessive allele for grey hair colour in mice.
What is the phenotype of a mice with Bb genotype?
Grey hair colour
Black hair colour
Brown hair colour
30s - Q7
If 'B' represents the dominant allele for black hair colour and 'b' represents the recessive allele for grey hair colour in mice.
What is the phenotype of a mice with bb genotype?
Black hair colour
Brown hair colour
Grey hair colour
30s - Q8
What is the genotype of 'BB' known as?
homozygous recessive
homozygous dominant
heterozygous
30s