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What tries to answer how a parent passes certain genes onto their offspring?
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Genes are inherited from both parents through ______ reproduction.
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Genetics

Rubarts Quiz Practice

What tries to answer how a parent passes certain genes onto their offspring? heredity,
Genes are inherited from both parents through ______ reproduction. sexual
These genes express specific _______ or characteristics. traits
“Father of modern genetics” Gregor Mendel
What did Mendel do? Discovered the basic principles of heredity by Experimenting on pea plants and showed that their traits follow a particular pattern.
These are found in the nucleus of a cell and carry genes. Chromosomes
Segments of DNA on a chromosome that are responsible for inherited traits. Genes
The genetic makeup of an organism. Genotype
The appearance of an organism based on its genotype. Phenotype
Variants (differences) in a gene Alleles
Occurs on a fixed spot (band) on a chromosome. Alleles
What might an allele indicate? blood type, color blindness, or many other traits.
Describes how likely it is for certain phenotype traits to pass from parent to offspring. Dominant or Recessive
These show their effect with only one copy of the allele (Dd) Dominant alleles
These show their effect with two copies of the allele (dd) Recessive Alleles
Genetically determined characteristics. Inherited Traits
Because traits come from both parents - offspring have a combination of both parents’ genes.
What are some examples of inherited traits? skin, hair, color, height, freckles
Carries two copies of the same dominant allele (BB) Homozygous Dominant
Carries two copies of the same recessive allele (bb) Homozygous Recessive
Carries two different alleles of a gene (Bb) Heterozygous
Probability is expressed in a ______ percentage.
Examines just one of the many genes that get passed on during sexual reproduction Punnett Square
A Punnett Square shows all possible ways the offspring could inherit the gene from two parents. Punnett Square
A diagram used by geneticists to determine the probability (chance) of an offspring having a particular phenotype. Punnett Square
Genotypic ratio of a heterozygous cross (Tt xTt) 1 TT : 2 Tt : 1tt
Created by: judi829
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