Which statements describe the inheritance of traits? select three options. traits can be inherited. no traits are inherited. offspring inherit one allele for a gene from each parent. offspring inherit two alleles for a gene from each parent. an offspring with two identical alleles for a trait is homozygous. an offspring with two different alleles for a trait is homozygous.
Question: Which statements describe the inheritance of traits? select three options. traits can be inherited. no traits are inherited. offspring inherit one allele for a gene from each parent. offspring inherit two alleles for a gene from each parent. an offspring with two identical alleles for a trait is homozygous. an offspring with two different alleles for a trait is homozygous.
In this blog post, we will explore the concept of inheritance of traits, which is a fundamental topic in genetics. Traits are the observable characteristics of an organism, such as hair color, eye color, height, blood type, etc. How are these traits passed down from parents to offspring? Let's find out.
First, we need to understand what genes and alleles are. Genes are segments of DNA that code for a specific trait. Alleles are different versions of the same gene that may produce different variations of the trait. For example, there is a gene that determines hair color, but there are different alleles that may result in blonde, brown, black, or red hair.
Each organism has two copies of each gene, one inherited from each parent. These two copies may be the same or different alleles. For example, an organism may have two alleles for brown hair, or one allele for brown hair and one allele for blonde hair. The combination of alleles that an organism has for a given gene is called its genotype. The physical expression of the genotype is called the phenotype.
Now, let's review some statements that describe the inheritance of traits and see which ones are true and which ones are false.
- Traits can be inherited. This statement is true. Traits are determined by genes, which are inherited from parents to offspring.
- No traits are inherited. This statement is false. All traits are influenced by genes to some extent, although some traits may also be affected by environmental factors.
- Offspring inherit one allele for a gene from each parent. This statement is true. Each parent passes down one copy of each gene to their offspring, resulting in two alleles per gene in the offspring.
- Offspring inherit two alleles for a gene from each parent. This statement is false. Each parent only passes down one allele per gene, not two.
- An offspring with two identical alleles for a trait is homozygous. This statement is true. Homozygous means having two copies of the same allele for a gene.
- An offspring with two different alleles for a trait is homozygous. This statement is false. Having two different alleles for a gene means being heterozygous, not homozygous.
To summarize, the correct statements are: traits can be inherited, offspring inherit one allele for a gene from each parent, and an offspring with two identical alleles for a trait is homozygous.
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