What percentage of the offsprings of the spider (in the case below) are expected to be patterned instead of plain?

Hawaiian happy face spiders from the island of Maui can have different markings, as shown below. A single gene determines the markings on the spiders. A plain spider is crossed with a patterned spider. The patterned spider is homozygous. The pattern allele is dominant to the plain allele.

Asked by Wyatt Williams, Last updated: Apr 27, 2024

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3 Answers

J. Alfie, Content Writer, Masters in Literature, Dallas,Texas

Answered Feb 03, 2021

There is a single gene that will be in charge of making the different patterns of the spider become obvious. When a plain spider mates with a patterned spider, there is a lesser chance that the pattern will be the same as the patterned spider as there are traits that should also come from the other spider.

The patterned spider will be homozygous, which means that it will have two identical alleles of the same gene. The offspring will probably have more patterns, though, because this is the dominant trait though it may not be exactly similar to the pattern of the patterned spider. Take note that there are different factors that may affect this.

E. Austin

Answered Feb 01, 2021

100% is the correct answer to this question. The keyword in this question to help us answer the question is the word Homozygous. This is a condition that is genetic. This condition is one where a person or organism will inherit the same alleles of a gene from both parents.

In this case, the patterned spider is Homozygous. Therefore, the offsprings would also be patterned, as the patterned spiders are dominant to the plaid ones. Understanding Homozygous is very important to help understand the traits that offsprings would have, such as eye color, hair color, height, weight, and even a shape of a nose or ear.

W. Kaye, Ex-Marine, Post Graduate, Chapel Hill

Answered Jan 29, 2021

The patterned spider has two copies of the gene, which tell it to be patterned, and it is a dominant gene called the homozygous gene. The plain spider possesses recessive traits, while the patterned spider has dominant genes. The patterned spider has two identical alleles.

Homozygous explains the genetic condition or the genetic state in which an entity has inherited the same DNA sequence for a specific gene from their biological mother and father. It is often referred to in the context of disease. You can draw a Punnett square to help you understand. A homozygous trait refers to two capital letters XX for a dominant feature and two lowercase letters for a recessive trait.