During asexual reproduction, the genetic material of the parent is passed on to the offspring by

A) homologous pairing. B) mitosis and cytokinesis. C) meiosis and fertilization. D) meiosis and cytokinesis.

During asexual reproduction, the genetic material of the parent is passed on to the offspring by

A) homologous pairing. B) mitosis and cytokinesis. C) meiosis and fertilization. D) meiosis and cytokinesis.

Which of the following cells is haploid?a) egg cell    b) lung cell   c) sperm cell     d) kidney celle) a and c

f) b and d

Which of the following cells is haploid?a) egg cell    b) lung cell   c) sperm cell     d) kidney celle) a and c

f) b and d

Which of the following cells is diploid?a) egg cell    b) lung cell   c) sperm cell     d) kidney celle) a and c

f) b and d

Which of the following cells is diploid?a) egg cell    b) lung cell   c) sperm cell     d) kidney celle) a and c

f) b and d

Which of the following statements is false?

A) a typical body cell is called a somatic cellB) gametes are haploid cellsC) somatic cells are diploidD) somatic cells are made by meiosisE) a zygote is a fertilized egg

Which of the following statements is false?

A) a typical body cell is called a somatic cellB) gametes are haploid cellsC) somatic cells are diploidD) somatic cells are made by meiosisE) a zygote is a fertilized egg

During meiotic cell division, the process in which homologous pairs of chromosomes separate and move apart is known as

A) fissionB) regenerationC) disjunctionD) nondisjunction

During meiotic cell division, the process in which homologous pairs of chromosomes separate and move apart is known as

A) fissionB) regenerationC) disjunctionD) nondisjunction

An animal cell with 12 chromosomes undergoes normal meiosis. What is the total number of chromosomes in each of the resulting daughter cells?

a) 6    b) 8   c) 12     d) 24

An animal cell with 12 chromosomes undergoes normal meiosis. What is the total number of chromosomes in each of the resulting daughter cells?

a) 6    b) 8   c) 12     d) 24

In sexually reproducing organisms, the source of chromosomes in the offspring is A) almost all from one parent, usually the father. B) almost all from one parent, usually the mother. C) half from the father and half from the mother. D) the X comes from the mother and the autosomes come from the father. E) a random mixing of chromosomes from both parents.

In sexually reproducing organisms, the source of chromosomes in the offspring is A) almost all from one parent, usually the father. B) almost all from one parent, usually the mother. C) half from the father and half from the mother. D) the X comes from the mother and the autosomes come from the father. E) a random mixing of chromosomes from both parents.

Asexual reproduction of diploid organisms normally results in new organisms that contain cells withA) fewer chromosomes than are found in the cells of the parentB) the haploid number of chromosomesC) more chromosomes than are found in the cells of the parentD) the diploid number of chromosomes

Asexual reproduction of diploid organisms normally results in new organisms that contain cells withA) fewer chromosomes than are found in the cells of the parentB) the haploid number of chromosomesC) more chromosomes than are found in the cells of the parentD) the diploid number of chromosomes

How many total chromosomes are found in a normal gamete (sex cell) of a human?

a) 23    b) 32 c) 46    d) 64

How many total chromosomes are found in a normal gamete (sex cell) of a human?

a) 23    b) 32 c) 46    d) 64

Which of the following indicates the types of cells that are produced in humans by meiosis and mitosis?a) body cells (somatic cells ) are produced in both mitosis and meiosisb) body cells are produced in meiosis; gametes in mitosisc) gametes are produced in both meiosis and mitosisd) body cells are produced in mitosis; gametes in meiosis

Which of the following indicates the types of cells that are produced in humans by meiosis and mitosis?a) body cells (somatic cells ) are produced in both mitosis and meiosisb) body cells are produced in meiosis; gametes in mitosisc) gametes are produced in both meiosis and mitosisd) body cells are produced in mitosis; gametes in meiosis

As the result of normal meiosis, the daughter cells are

a) genetically identical to each other but not to the parent cell

b) genetically identical to the parent cell but not to each other

c) genetically identical to the parent cell and to each other

d) identical to neither the parent cell nor to each other

As the result of normal meiosis, the daughter cells are

a) genetically identical to each other but not to the parent cell

b) genetically identical to the parent cell but not to each other

c) genetically identical to the parent cell and to each other

d) identical to neither the parent cell nor to each other

Which of the following is haploid?A) zygoteB) embryoC) muscle cellD) gamete

Which of the following is haploid?A) zygoteB) embryoC) muscle cellD) gamete

Which statement concerning the reproductive cells in the diagram below is correct?

A) The cells are produced by mitosis and contain all the genetic information of the father

B) If one of these cells fertilizes an egg, the offspring will be identical to the father

C) Each of these cells contains only half the genetic information necessary for the formation of an offspring

D) An egg fertilized by one of these cells will develop into a female with the same characteristics as the mother

Which statement concerning the reproductive cells in the diagram below is correct?

A) The cells are produced by mitosis and contain all the genetic information of the father

B) If one of these cells fertilizes an egg, the offspring will be identical to the father

C) Each of these cells contains only half the genetic information necessary for the formation of an offspring

D) An egg fertilized by one of these cells will develop into a female with the same characteristics as the mother

Which process is represented in the diagram?

A) buddingB) mitosisC) fertilizationD) meiosis

 

Which process is represented in the diagram?

A) buddingB) mitosisC) fertilizationD) meiosis

 

Identical twins develop from

A) two eggs fertilized by one sperm cellB) two zygotes that fuse during cleavageC) one fertilized egg that divides in twoD) one egg fertilized by two sperm cells

Identical twins develop from

A) two eggs fertilized by one sperm cellB) two zygotes that fuse during cleavageC) one fertilized egg that divides in twoD) one egg fertilized by two sperm cells

As the result of normal mitosis, the daughter cells are

a) genetically identical to each other but not to the parent cell

b) genetically identical to the parent cell but not to each other

c) genetically identical to the parent cell and to each other

d) identical to neither the parent cell nor to each other

As the result of normal mitosis, the daughter cells are

a) genetically identical to each other but not to the parent cell

b) genetically identical to the parent cell but not to each other

c) genetically identical to the parent cell and to each other

d) identical to neither the parent cell nor to each other

Most humans have 22 pairs of ________________ and one pair of ___________________.

A) somatic chromosomes, gamete chromosomesB) autosomes, sex chromosomesC) gamete chromosomes, somatic chromosomesD) sex chromosomes, autosomes

Most humans have 22 pairs of ________________ and one pair of ___________________.

A) somatic chromosomes, gamete chromosomesB) autosomes, sex chromosomesC) gamete chromosomes, somatic chromosomesD) sex chromosomes, autosomes

Diploid cells of the fruit fly Drosophila have 10 chromosomes. How many chromosomes does a Drosophila gamete have? A) one B) two C) five D) ten E) twenty

Diploid cells of the fruit fly Drosophila have 10 chromosomes. How many chromosomes does a Drosophila gamete have? A) one B) two C) five D) ten E) twenty

How many total chromosomes are found in a normal body cell (somatic cell) of a human?

a) 23    b) 32 c) 46    d) 64

How many total chromosomes are found in a normal body cell (somatic cell) of a human?

a) 23    b) 32 c) 46    d) 64

The abnormal zygote is most likely the result ofA) chromosome breakageB) gene linkageC) nondisjunctionD) polyploidy

The abnormal zygote is most likely the result ofA) chromosome breakageB) gene linkageC) nondisjunctionD) polyploidy

The resulting abnormal zygote would be considered aA) monosomy B) trisomy

The resulting abnormal zygote would be considered aA) monosomy B) trisomy

The two chromosomes of a homologous pairA) carry genes that code for identical traits at the same locationsB) carry information for the same characteristics at different locationsC) carry identical genetic information at different locationsD) carry different versions of genes (alleles) that code for the same trait at the same locations

The two chromosomes of a homologous pairA) carry genes that code for identical traits at the same locationsB) carry information for the same characteristics at different locationsC) carry identical genetic information at different locationsD) carry different versions of genes (alleles) that code for the same trait at the same locations

Chromosome number changes during meiosis because the process consists of

A) two cell divisions without any chromosome replication.

B) a single cell division without any chromosome replication.

C) two cell divisions in which half of the chromosomes are destroyed.

D) two cell divisions and only a single round of chromosome replication.

E) four cell divisions with no chromosome replication.

Chromosome number changes during meiosis because the process consists of

A) two cell divisions without any chromosome replication.

B) a single cell division without any chromosome replication.

C) two cell divisions in which half of the chromosomes are destroyed.

D) two cell divisions and only a single round of chromosome replication.

E) four cell divisions with no chromosome replication.

The diagram below shows a process that affects chromosomes during meiosis.

This process can be used to explain A) why some offspring are genetically

identical to their parentsB) the process of differentiation in offspringC) why some offspring physically resemble their parentsD) the origin of new combinations of traits in offspring

The diagram below shows a process that affects chromosomes during meiosis.

This process can be used to explain A) why some offspring are genetically

identical to their parentsB) the process of differentiation in offspringC) why some offspring physically resemble their parentsD) the origin of new combinations of traits in offspring

A karyotype would be least likely to show which of the following?A) an extra chromosomeB) a point mutationC) a missing chromosomeD) part of a chromosome turned around

A karyotype would be least likely to show which of the following?A) an extra chromosomeB) a point mutationC) a missing chromosomeD) part of a chromosome turned around

In humans, the fertilization of two eggs at the same time usually results inA) gene mutationsB) aneuploidyC) fraternal twinsD) identical twins

In humans, the fertilization of two eggs at the same time usually results inA) gene mutationsB) aneuploidyC) fraternal twinsD) identical twins

Sexual reproduction by necessity involves which two processes?A) meiosis and fertilizationB) mutation and translocationC) nondisjunction and differentiationD) mitosis and fertilization

Sexual reproduction by necessity involves which two processes?A) meiosis and fertilizationB) mutation and translocationC) nondisjunction and differentiationD) mitosis and fertilization

Which diagram BEST represents the formation of a zygote that could develop into a normal human male?

     

Which diagram BEST represents the formation of a zygote that could develop into a normal human male?