Question 1

In which of the following situations would it become nearly impossible to predict the phenotype of an individual with a known genotype?

Accepted Answer

A) The environment affects the phenotype. 
B) The genotype of the parents is unknown. 
C) The genotype of offspring is unknown. 
D) You should always be able to predict the phenotype if you know the genotype. 
A) The environment affects the phenotype. 
B) The genotype of the parents is unknown. 
C) The genotype of offspring is unknown. 
D) You should always be able to predict the phenotype if you know the genotype.

Question 2

In a genetic cross of Gg with Gg guinea pigs,none of the four offspring were gg.This

Accepted Answer

A) disproves Mendel's law of independent assortment. 
B) neither supports nor disproves Mendel's law of independent assortment. 
C) supports Mendel's law of independent assortment. 
D) supports Mendel's law of segregation. 
A) disproves Mendel's law of independent assortment. 
B) neither supports nor disproves Mendel's law of independent assortment. 
C) supports Mendel's law of independent assortment. 
D) supports Mendel's law of segregation.

Question 3

Feather color in a certain species of bird is controlled by a pair of alleles that exhibit incomplete dominance.If birds that are homozygous for one allele are black and birds that are homozygous for the other allele are white,then heterozygous birds would be

Accepted Answer

A) black. 
B) white. 
C) gray. 
D) black with white stripes. 
A) black. 
B) white. 
C) gray. 
D) black with white stripes.

Question 4

Mendel used ________ as his research organism to study patterns of genetic inheritance.

Accepted Answer

A) garden peas 
B) snapdragons 
C) mice 
D) Siamese cats 
A) garden peas 
B) snapdragons 
C) mice 
D) Siamese cats

Question 5

The leaf color of a certain plant is controlled by one gene.For that gene,the allele G = orange and g = green.You have a plant with orange leaves,but do not know whether that plant's genotype is GG or Gg.Which of the following would help you determine the plant's genotype?

Accepted Answer

A) Cross the plant to another plant with orange leaves. 
B) Cross the plant to a plant with green leaves. 
C) Cross two true-breeding,orange-leaved plants to each other and then cross one of their offspring to the plant with the unknown genotype. 
D) Change the environment in which the plant grows to find the conditions that cause the leaves to produce the orange color. 
A) Cross the plant to another plant with orange leaves. 
B) Cross the plant to a plant with green leaves. 
C) Cross two true-breeding,orange-leaved plants to each other and then cross one of their offspring to the plant with the unknown genotype. 
D) Change the environment in which the plant grows to find the conditions that cause the leaves to produce the orange color.

Question 6

The 9:3:3:1 ratio of phenotypes that occurs in the F2 generation of the cross shown can be explained using

Accepted Answer

A) blending inheritance. 
B) Mendel's law of segregation only. 
C) Mendel's law of independent assortment only. 
D) both of Mendel's laws of genetic inheritance. 
A) blending inheritance. 
B) Mendel's law of segregation only. 
C) Mendel's law of independent assortment only. 
D) both of Mendel's laws of genetic inheritance.

Question 7

Most human genetic characters are

Accepted Answer

A) controlled by one gene. 
B) not inherited according to Mendel's laws. 
C) controlled by more than one gene. 
D) not heritable. 
A) controlled by one gene. 
B) not inherited according to Mendel's laws. 
C) controlled by more than one gene. 
D) not heritable.

In which of the following situations would it become nearly impossible to predict the phenotype of an individual with a known genotype?

In a genetic cross of Gg with Gg guinea pigs,none of the four offspring were gg.This

Feather color in a certain species of bird is controlled by a pair of alleles that exhibit incomplete dominance.If birds that are homozygous for one allele are black and birds that are homozygous for the other allele are white,then heterozygous birds would be

Mendel used ________ as his research organism to study patterns of genetic inheritance.

The leaf color of a certain plant is controlled by one gene.For that gene,the allele G = orange and g = green.You have a plant with orange leaves,but do not know whether that plant's genotype is GG or Gg.Which of the following would help you determine the plant's genotype?

The 9:3:3:1 ratio of phenotypes that occurs in the F2 generation of the cross shown can be explained using

Most human genetic characters are

The Nature of Science

Chemistry of Life

Life Is Cellular

How Cells Work

Cell Division

Chromosomes and Human Genetics

What Genes Are

How Genes Work

Evidence for Evolution

Mechanisms of Evolution

Adaptation and Species

The History of Life

Human Evolution

General Principles of Ecology

Growth of Populations

Communities of Organisms

Ecosystems

Applying the Science

Filters

Exam 6: Patterns of Inheritance

In which of the following situations would it become nearly impossible to predict the phenotype of an individual with a known genotype?

In a genetic cross of Gg with Gg guinea pigs,none of the four offspring were gg.This

Feather color in a certain species of bird is controlled by a pair of alleles that exhibit incomplete dominance.If birds that are homozygous for one allele are black and birds that are homozygous for the other allele are white,then heterozygous birds would be

Mendel used ________ as his research organism to study patterns of genetic inheritance.

The leaf color of a certain plant is controlled by one gene.For that gene,the allele G = orange and g = green.You have a plant with orange leaves,but do not know whether that plant's genotype is GG or Gg.Which of the following would help you determine the plant's genotype?

The 9:3:3:1 ratio of phenotypes that occurs in the F2 generation of the cross shown can be explained using

Most human genetic characters are

The Nature of Science

Chemistry of Life

Life Is Cellular

How Cells Work

Cell Division

Chromosomes and Human Genetics

What Genes Are

How Genes Work

Evidence for Evolution

Mechanisms of Evolution

Adaptation and Species

The History of Life

Human Evolution

General Principles of Ecology

Growth of Populations

Communities of Organisms

Ecosystems

Applying the Science

Filters