Scelta multipla
What is the composition of a tetrad at the beginning of prophase I in meiosis?
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12. Meiosis
Introduction to Meiosis
Scelta multipla
How many different types of gametes can be formed by individuals with the genotype aabb during meiosis?
A
4
B
1
C
8
D
2
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Understand that gametes are formed through the process of meiosis, where alleles segregate independently.
Identify the genotype given: aabb. This genotype is homozygous for both genes, meaning it has two identical alleles for each gene.
Recognize that because both alleles for each gene are the same (aa and bb), there is no variation in the alleles that can be passed on to the gametes.
Determine that each gamete will receive one allele from each gene, but since all alleles are identical, each gamete will be the same.
Conclude that only one type of gamete can be formed, which contains the alleles 'ab'.
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