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Geneology study guid

act 60 - 65 - 6th grade

QuestionAnswer
What is an allele? Pairs of genes on a chromosome that determine the hereditary of characteristics (2 copies of each gene)
What is autosomal? The form of a gene that is observed and hides the recessive traits. Autosomal refers to the non-sex chromosomes.
What is autosomal recessive? Two copies of the recessive trait must be inherited for the trait (or disease) to develop
What is a characteristic? A feature or quality
What is cross(mate) Breeding two different individuals that results in offspring that carry part of the genetic material of each parent.
What are genes? A unit of heredity that is transferred from parent and control the characteristics that an offspring will have.
What is genotype? The genetic makeup of an organism.
What is homozygous? An organism that has only one kind of allele of a trait for a characteristic.
What is heterozygous? An organism that has alleles of two different traits for a characteristic.
What is phenotype? The physical appearance of an organism based on its genetic makeup.
What is probability? The likelihood that an event will happen.
What is a Punnet square? A diagram used to show the likelihood of each outcome of a breeding experiment. It can be used to predict the chances that each genotype or phenotype will occur.
What is a trait? Different versions of characteristics which are determined by genes and/or the environment.
Compare asexual reproduction and sexual reproduction. Sexual reproduction is when a male sperm fertilizes an ovum/egg from a female to produce offspring. Asexual reproduction is reproduction without sex. In this form of reproduction, a single organism or cell makes a copy of itself.
Explain how a trait is inherited
construct a Punnet Square
What is a genotype?
Created by: lunuala
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