Question
Asked By MysticMist72 at
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Dylan
Expert ยท 3.7k answers ยท 3k people helped
Solution By Steps
Step 1: Understand the terms
Hemizygous: Having a single copy of a gene, typically on a sex chromosome in an organism with two different sex chromosomes (e.g., X and Y in humans).
Homozygous: Having two identical alleles (versions) of a gene, one inherited from each parent.
Heterozygous: Having two different alleles of a gene, one inherited from each parent.
Step 2: Analyze the genotype "PP"
The genotype โPPโ represents two identical alleles, both being โPโ.
Step 3: Determine the correct description
Since the genotype โPPโ has two identical alleles, it is considered homozygous.
Final Answer
The genotype โPPโ can best be described as homozygous.
The concept of homozygous and heterozygous genotypes is fundamental in genetics and inheritance patterns. A homozygous genotype, like โPPโ, means that an organism has two identical alleles for a particular gene, resulting in a consistent expression of the associated trait. This is in contrast to a heterozygous genotype, where the two alleles are different, potentially leading to different phenotypic expressions or intermediate traits. Understanding these concepts is crucial for predicting and analyzing genetic inheritance, gene expression, and the manifestation of traits in organisms.
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