An animal has the genotype Cc for a particular trait. If, through meiosis, a certain female produces 100 eggs, how many of these eggs would have the C gene?
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Assuming normal meiosis, half.
To determine how many eggs produced by a female with the genotype Cc would have the C gene, we need to understand the process of meiosis.
Meiosis is the cell division process that produces gametes (eggs or sperm) for sexual reproduction. During meiosis, the genetic material is shuffled, and the resulting cells end up with half the number of chromosomes as the original cell.
In the case of the animal with the genotype Cc, the C and c genes represent two different alleles for a particular trait. In this scenario, the uppercase C represents the dominant allele, while the lowercase c represents the recessive allele.
Since the female has the genotype Cc, she has one dominant C allele and one recessive c allele. During meiosis, these alleles will segregate and end up in different eggs.
In this case, there is a 50% chance that the C allele will go to each egg and a 50% chance that the c allele will go to each egg. Therefore, out of the 100 eggs produced, approximately 50 would have the C gene.
It is important to note that this is a simplified explanation, and in reality, the actual distribution may vary due to random assortment and recombination during meiosis.