Life Science: Heredity

The allele for hemophilia is on the X chromosome and is a _____.
1. sex-linked gene
2. hybrid gene
3. homozygous gene
4. heterozygous
_____ is the passing of traits from one generation to another.
1. Genotype
2. Genetic engineering
3. Hybridization
4. Heredity
The different forms a gene may have for a trait are called _____.
1. polygenic inheritance
2. phenotype
3. hybrids
4. alleles
In _____ both alleles are expressed in offspring.
1. incomplete dominance
2. sex-linked genes
3. genetic engineering
4. complete dominance
A plant that receives different genetic information from each parent is a(n) _____.
1. hybrid
2. allele
3. phenotype
4. sex-linked gene
A _____ trait covers up other traits
1. dominant
2. recessive
3. heterozygous
4. homozygous
In a Punnett square, a small letter (t) stands for a _____ allele.
1. homozygous
2. dominant
3. recessive
4. heterozygous
A tool used to predict the possible offspring of a mating is called a _____.
1. Phonetic square
2. Punnett square
3. Polygenic square
4. Hereditic square
The genetic makeup of an organism is called its _____.
1. inheritance
2. allele
3. phenotype
4. genotype
_____ is the way an organism looks and behaves as a result of its genotype.
1. Phenotype
2. Prototype
3. Punnettype
4. Hereditype
The study of how traits are inherited through the interactions of alleles is _____.
1. genetic engineering
2. genetics
3. biology
4. psychology
Through _____ scientists are experimenting to change the arrangement of DNA in a gene.
1. genetic engineering
2. hybridization
3. polygenic inheritance
4. recessive manipulation
An organism with two alleles that are exactly the same is _____.
1. homozygous
2. heterozygous
3. recessive
4. dominant
_____ occurs when a group of gene pairs acts together to produce a single trait.
1. Genotyping
2. Genetic engineering
3. Incomplete dominance
4. Polygenic inheritance
An organism that has two different alleles for a trait is _____.
1. heterozygous
2. homzygous
3. recessive
4. dominant
A type of inheritance where more than one gene controls a trait is _____.
1. homozygous
2. homogenous
3. heterozygous
4. polygenic
An organism whose two alleles for a trait are exactly the same is _____.
1. homozygous
2. homogenous
3. heterozygous
4. polygenic
Every organism has a specific number of _____.
1. chromosomes
2. meiosis
3. embryos
4. mutations
_____ influences on genes can be internal or external.
1. Environmental
2. Cryogenic
3. Maternal
4. Paternal
One pair of chromosomes determines sex of an organism. XX means the offspring will be _____.
1. male
2. female
3. mutant
4. normal
One pair of chromosomes determines sex of an organism. XY means the offspring will be _____.
1. male
2. female
3. mutant
4. normal
_____ is used to help produce large volumes of medicine.
1. Genetic engineering
2. Polygenics
3. Photogenic engineering
4. Cryogenics
_____ DNA is made by inserting a useful segment of DNA from one organism into a bacterium.
1. Combatant
2. Recombinant
3. Artificial
4. Original
_____ determined the basic laws of genetics.
1. Albert Einstein
2. Isaac Newton
3. Eric Mendelson
4. Gregor Mendel
When a pair of chromosomes separates during _____, the different alleles move into separate sex cells.
1. meiosis
2. mitosis
3. halitosis
4. oasis

Life Science: Heredity

Content © 2006; Author of Activity: Tami Leigh Maloney; All rights reserved. E-mail comments and questions to Tami Maloney.

The allele for hemophilia is on the X chromosome and is a _____.

_____ is the passing of traits from one generation to another.

The different forms a gene may have for a trait are called _____.

In _____ both alleles are expressed in offspring.

A plant that receives different genetic information from each parent is a(n) _____.

A _____ trait covers up other traits

In a Punnett square, a small letter (t) stands for a _____ allele.

A tool used to predict the possible offspring of a mating is called a _____.

The genetic makeup of an organism is called its _____.

_____ is the way an organism looks and behaves as a result of its genotype.

The study of how traits are inherited through the interactions of alleles is _____.

Through _____ scientists are experimenting to change the arrangement of DNA in a gene.

An organism with two alleles that are exactly the same is _____.

_____ occurs when a group of gene pairs acts together to produce a single trait.

An organism that has two different alleles for a trait is _____.

A type of inheritance where more than one gene controls a trait is _____.

An organism whose two alleles for a trait are exactly the same is _____.

Every organism has a specific number of _____.

_____ influences on genes can be internal or external.

One pair of chromosomes determines sex of an organism. XX means the offspring will be _____.

One pair of chromosomes determines sex of an organism. XY means the offspring will be _____.

_____ is used to help produce large volumes of medicine.

_____ DNA is made by inserting a useful segment of DNA from one organism into a bacterium.

_____ determined the basic laws of genetics.

When a pair of chromosomes separates during _____, the different alleles move into separate sex cells.