Test Bank for Children and their
Development, 8th Edition
d. 23 matching pairs of - ANSWERSIn each human cell, a nucleus contains _____ chromosomes.
a. 12
b. 12 matching pairs of
c. 23
d. 23 matching pairs of
c. chromosomes - ANSWERSThe human nucleus contains 23 matching pairs of rod-shaped structures
called _______.
a. genomes
b. DNA
c. chromosomes
d. zygotes
a. deoxyribonucleic acid (DNA) - ANSWERSGenes are composed of stretches of _____, a complex
molecule shaped like a twisted ladder or
staircase.
a.deoxyribonucleic acid (DNA)
b. gametes
c. zygotes
d. nuclei
b. the blueprint for creating all of the traits that organisms carry. - ANSWERSGenes are:
,a. rod-shaped structures located in each human nucleus.
b. the blueprint for creating all of the traits that organisms carry.
c. sex cells that combine to create a unique individual
d. identical molecules for every existing species on earth.
b. 20,000; 25,000 - ANSWERSResearchers have estimated that ______ to ______ genes reside within
the chromosomes and
influence all genetic characteristics.
a. 10,000; 15,000
b. 20,000; 25,000
c. 50,000; 70,000
d. 100,000; 200,000
c. genome - ANSWERSThe ____ is the set of instructions to construct a living organism.
a. zygote
b. nucleus
c. genome
d. gamete
d. 99 - ANSWERSAs a human, you share ___ percent of your DNA with our closest genetic relative,
the chimpanzee.
a. 10
b. 25
c. 68
d. 99
,d. 99.7 - ANSWERSLu is from Korea and Pedro is from Ecuador. Lu and Pedro share ____ percent of
their genes.
a. 15.7
b. 25.8
c. 44.2
d. 99.7
a. Mitosis - ANSWERS. _____ is the process of cell division during which DNA replicates itself.
a. Mitosis
b. Meiosis
c. Fertilization
d. Cellular mutation
b. develop from a single fertilized egg into a child, adolescent, and eventually, an adult. -
ANSWERSMitosis ultimately enables humans to:
a. reproduce and pass on their genetic material.
b. develop from a single fertilized egg into a child, adolescent, and eventually, an adult.
c. develop into either a male or a female.
d. establish a unique genetic blueprint for development.
c. gametes - ANSWERSSex cells produce _____.
a. DNA
b. chromosomes
c. gametes
d. the genome
, b. meiosis - ANSWERSGametes reproduce through _____.
a. mitosis
b. meiosis
c. fertilization
d. dominant-recessive inheritance
d. zygote - ANSWERSA(n) ____ is a fertilized egg.
a. chromosome
b. gamete
c. allele
d. zygote
c. 23; 23 - ANSWERSA human zygote contains ____ chromosomes from the biological mother and
____ chromosomes
from the biological father.
a. 10; 20
b. 23; 46
c. 23; 23
d. 46; 46
d. 22 - ANSWERSIn humans, ___ of the 23 pairs of chromosomes are matched and contain similar
genes in almost
identical positions and sequence.
Development, 8th Edition
d. 23 matching pairs of - ANSWERSIn each human cell, a nucleus contains _____ chromosomes.
a. 12
b. 12 matching pairs of
c. 23
d. 23 matching pairs of
c. chromosomes - ANSWERSThe human nucleus contains 23 matching pairs of rod-shaped structures
called _______.
a. genomes
b. DNA
c. chromosomes
d. zygotes
a. deoxyribonucleic acid (DNA) - ANSWERSGenes are composed of stretches of _____, a complex
molecule shaped like a twisted ladder or
staircase.
a.deoxyribonucleic acid (DNA)
b. gametes
c. zygotes
d. nuclei
b. the blueprint for creating all of the traits that organisms carry. - ANSWERSGenes are:
,a. rod-shaped structures located in each human nucleus.
b. the blueprint for creating all of the traits that organisms carry.
c. sex cells that combine to create a unique individual
d. identical molecules for every existing species on earth.
b. 20,000; 25,000 - ANSWERSResearchers have estimated that ______ to ______ genes reside within
the chromosomes and
influence all genetic characteristics.
a. 10,000; 15,000
b. 20,000; 25,000
c. 50,000; 70,000
d. 100,000; 200,000
c. genome - ANSWERSThe ____ is the set of instructions to construct a living organism.
a. zygote
b. nucleus
c. genome
d. gamete
d. 99 - ANSWERSAs a human, you share ___ percent of your DNA with our closest genetic relative,
the chimpanzee.
a. 10
b. 25
c. 68
d. 99
,d. 99.7 - ANSWERSLu is from Korea and Pedro is from Ecuador. Lu and Pedro share ____ percent of
their genes.
a. 15.7
b. 25.8
c. 44.2
d. 99.7
a. Mitosis - ANSWERS. _____ is the process of cell division during which DNA replicates itself.
a. Mitosis
b. Meiosis
c. Fertilization
d. Cellular mutation
b. develop from a single fertilized egg into a child, adolescent, and eventually, an adult. -
ANSWERSMitosis ultimately enables humans to:
a. reproduce and pass on their genetic material.
b. develop from a single fertilized egg into a child, adolescent, and eventually, an adult.
c. develop into either a male or a female.
d. establish a unique genetic blueprint for development.
c. gametes - ANSWERSSex cells produce _____.
a. DNA
b. chromosomes
c. gametes
d. the genome
, b. meiosis - ANSWERSGametes reproduce through _____.
a. mitosis
b. meiosis
c. fertilization
d. dominant-recessive inheritance
d. zygote - ANSWERSA(n) ____ is a fertilized egg.
a. chromosome
b. gamete
c. allele
d. zygote
c. 23; 23 - ANSWERSA human zygote contains ____ chromosomes from the biological mother and
____ chromosomes
from the biological father.
a. 10; 20
b. 23; 46
c. 23; 23
d. 46; 46
d. 22 - ANSWERSIn humans, ___ of the 23 pairs of chromosomes are matched and contain similar
genes in almost
identical positions and sequence.
