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How many different types of genetically ...

How many different types of genetically different gametes will be produced by a heterozygous plant having the genotype AABb Ccdd ?

A

Two

B

Four

C

Eight

D

Sixteen

Text Solution

AI Generated Solution

The correct Answer is:
To determine how many different types of genetically different gametes will be produced by a heterozygous plant with the genotype AABbCcdd, we can follow these steps: ### Step-by-Step Solution: 1. **Identify the Genotype**: The genotype given is AABbCcdd. We will analyze each gene separately to determine how many alleles are heterozygous. 2. **Identify Heterozygous Alleles**: - For gene A: The genotype is AA, which is homozygous (only one type of allele). - For gene B: The genotype is Bb, which is heterozygous (two types of alleles: B and b). - For gene C: The genotype is Cc, which is also heterozygous (two types of alleles: C and c). - For gene D: The genotype is dd, which is homozygous (only one type of allele). 3. **Count Heterozygous Genes**: - There are 2 heterozygous genes (B and C) in the genotype. 4. **Use the Formula for Gamete Formation**: The number of different types of gametes can be calculated using the formula \(2^n\), where \(n\) is the number of heterozygous gene pairs. - Here, \(n = 2\) (from genes B and C). 5. **Calculate the Number of Gametes**: - Using the formula: \[ 2^n = 2^2 = 4 \] - Thus, the number of different types of genetically different gametes produced is 4. ### Final Answer: The plant with the genotype AABbCcdd will produce **4** different types of genetically different gametes. ---
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