NB Intro To Genetics: Question Preview (ID: 26063)


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What is the ratio of a dominate trait to be visible in the phenotype if two heterozygous parents are crossed.
a) 9:3:3:1 b) 3:1 c) 2:2 d) 100%
If two parents are heterozygous, what is the probability that they will have an offspring that is homozygous recessive
a) 100% b) 75% c) 50% d) 25%
The likelihood that an event will occur.
a) Chance b) Probability c) Outcome d) Statistics
The reproductive cells that are passed on from parents to offspring
a) gametes b) genes c) genome d) genotype
A diagram used as a tool to predict the outcome of traits passed on from parents to offspring.
a) Punnett Square b) Amino Acid Code c) Inheritance Chart d) Factor Cross
The allele that is often not visible in the organism and usually visible when the alleles are identical.
a) gene b) genetics c) dominant d) recessive
The characteristic of a gene that can easily be observed.
a) gene b) DNA c) protein d) trait
The form of a trait (allele) that is expressed over other alleles.
a) gene b) trait c) dominant d) recessive
A segment of a gene that codes for a particular protein.
a) genetics b) trait c) gene d) DNA
An organism that has two alleles that are identical.
a) homozygous b) heterozygous c) dominant d) recessive
Organisms that have two different alleles for the same trait.
a) homozygous b) heterozygous c) dominant d) recessive
The physical characteristic of a gene that is often seen in an organism.
a) phenotype b) genotype c) genetics d) trait
The genetic make up of an organism.
a) phenotype b) genetics c) gene d) genotype
One of the forms of a trait is called a(n) ____.
a) allele b) genotype c) phenotype d) genetics
The passing of traits from parents to offspring.
a) allele b) genetics c) heredity d) genes
The study of heredity is called _____.
a) Allele b) Genetics c) Genes d) Genotype
Gregor Mendel is known for studying.
a) The traits passed on in guinea pigs. b) The traits passed on in rats. c) The traits passed on in pea plants. d) The traits passed on in roses.
The spaces outside of a Punnett square represent.
a) offspring b) alleles c) gametes d) genes
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