AP BIOLOGY

CELL DIVISION

MEIOSIS AND GENETIC VARIATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following genotypes is heterozygous?
A
Bb
B
BB
C
bb
D
B
Explanation: 

Detailed explanation-1: -An organism with one dominant allele and one recessive allele is said to have a heterozygous genotype. In our example, this genotype is written Bb.

Detailed explanation-2: -Answer and Explanation: The correct answer: Among the following genotypes the heterozygous genotypes are: 3. Aa and 4.

Detailed explanation-3: -Genotypes with two alleles that are the same, i.e. ‘BB’ and ‘bb’, are known as homozygous genotypes and genotypes with two different alleles are known as heterozygous genotypes.

Detailed explanation-4: -A genotype such as either BB or bb the alleles are identical. An individual with this type of genotype is called homozygous. For a genotype such as Bb the alleles are different from one another. An individual with this type of pairing is called heterozygous.

There is 1 question to complete.