CAMPBELL BIOLOGY IN FOCUS 3RD EDITION
ACTUAL EXAM PAPER 2026 QUESTIONS WITH
SOLUTIONS GRADED A+
◉ Variation. Answer: Differences in traits of offspring from siblings and
parents
◉ Genetics. Answer: Scientific study of heredity and inherited
◉ Genes. Answer: Hereditary units; made of segments of DNA
◉ Genome. Answer: Complete set of all genes in an organism
◉ Gametes. Answer: Reproductive cells that are the vehicles that
transmit genes from one generation to the next
◉ Somatic cells. Answer: All cells of the body except the gametes and
their precursors
◉ Locus. Answer: Gene's specific location along the length of a
chromosome
, ◉ Asexual reproduction. Answer: When a single individual is the sole
parent and passes copies of its genes without fusion of gametes
◉ Clone. Answer: Individual or group of individuals that are genetically
identical to the parent
◉ Sexual reproduction. Answer: When 2 parents give rise to offspring
with unique combinations of genes inherited from the parents
◉ Life cycle. Answer: Generation-to-generation sequences of stages in
the reproductive history of an organism, from conception to production
of its own offspring
◉ Karotype. Answer: Ordered display of all chromosomes in a cell
arranged in pairs; can be used to diagnose missing or defective
chromosomes
◉ Homologous chromosomes (homologs). Answer: 2 chromosomes of a
pair with the same length, centromere position, and staining pattern
◉ Homologous pair. Answer: 2 chromosomes of a pair with the same
length, centromere position, and staining pattern
ACTUAL EXAM PAPER 2026 QUESTIONS WITH
SOLUTIONS GRADED A+
◉ Variation. Answer: Differences in traits of offspring from siblings and
parents
◉ Genetics. Answer: Scientific study of heredity and inherited
◉ Genes. Answer: Hereditary units; made of segments of DNA
◉ Genome. Answer: Complete set of all genes in an organism
◉ Gametes. Answer: Reproductive cells that are the vehicles that
transmit genes from one generation to the next
◉ Somatic cells. Answer: All cells of the body except the gametes and
their precursors
◉ Locus. Answer: Gene's specific location along the length of a
chromosome
, ◉ Asexual reproduction. Answer: When a single individual is the sole
parent and passes copies of its genes without fusion of gametes
◉ Clone. Answer: Individual or group of individuals that are genetically
identical to the parent
◉ Sexual reproduction. Answer: When 2 parents give rise to offspring
with unique combinations of genes inherited from the parents
◉ Life cycle. Answer: Generation-to-generation sequences of stages in
the reproductive history of an organism, from conception to production
of its own offspring
◉ Karotype. Answer: Ordered display of all chromosomes in a cell
arranged in pairs; can be used to diagnose missing or defective
chromosomes
◉ Homologous chromosomes (homologs). Answer: 2 chromosomes of a
pair with the same length, centromere position, and staining pattern
◉ Homologous pair. Answer: 2 chromosomes of a pair with the same
length, centromere position, and staining pattern
