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Do gametes carry 1 allele or 2 alleles of a gene? Would a sperm cell only have 1 allele to carry?

Question:

Do gametes carry 1 allele or 2 alleles of a gene? Would a sperm cell only have 1 allele to carry?

Gametes

Gametes are cells involved with the sexual reproduction of complex eukaryotic organisms. They tend to come in two varieties: sperm and egg. When these two cell types meet, they can fuse to form a zygote, which can grow into a fetus and so on.

Answer and Explanation:

Most organisms that perform sexual reproduction are diploid - they contain two copies of their genetic material. Gametes, however, are haploid - they contain one copy. This means that sperm and egg cells only contain 1 allele apiece per gene, instead of two, since there is only half of the genetic material present.


Learn more about this topic:

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Gametes: Definition, Formation & Fusion

from Biology 102: Basic Genetics

Chapter 6 / Lesson 16
229K

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