🩺ECPI BIO 116 A&P 2 FINAL REVIEW
CHAPTERS 14 – 24 EXAM 2026 WITH
QUESTIONS AND ANSWERS
Genes are defined as - correct answer-Sequences of DNA that encode
proteins
Dominant refers to the: - correct answer-Allele that masks the expression of
another allele
Recessive refers to the: - correct answer-Allele expression that is masked
Humans that possess two X chromosomes are; - correct answer-Female
Check all that apply, The trait for eyes has 2 different alleles. Assume
complete dominance and recessiveness. Allele 1 = E for Two Small Eyes;
Allele 2 = e for 1 Large Eye. The Phenotype is Two Small Eyes. What
would be the Genotype?
EE/ee/Ee - correct answer-EE & Ee
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The Trait for Skin Color has 2 different Alleles. Assume complete
dominance and recessiveness. Allele 1 = G for Green Skin Color; Allele 2 =
g for Blue Skin Color. The Phenotype is Blue. What would be the
Genotype?
GG/gg/Gg - correct answer-gg
The Trait for Tail Color has 2 different Alleles. Assume complete
dominance and recessiveness. Allele 1 = P for Purple; Allele 2 = p for
Orange. The Genotype is Pp. What would be the Phenotype?
Orange or Purple - correct answer-Purple
Check all that apply. The Trait for Tails has two Alleles. Assume complete
dominance and recessiveness. Allele 1 = T for Tail; Allele 2 = t for no Tail.
The Genotype is tt. What should be the Phenotype?
Tail or No Tail - correct answer-No Tail
A Genotype describes: - correct answer-The DNA of Individual Processes
Codominance Occurs: - correct answer-When the Alleles are expressed
equally
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A chart displaying the Chromosomes pairs in size order is called a: -
correct answer-Karyotype
Alternative forms (Different DNA Sequences) of Genes are called: - correct
answer-Alleles
Homozygous means that: - correct answer-The Alleles for a gene are
Identical
Heterozygous means that: - correct answer-The Alleles for a gene are not
Identical
Phenotype is: - correct answer-The Appearance or Physical outcome of
Genes
To Fertilize and Egg, Enzymes in the Sperm _______ help digest a tunnel
through the Corona Radiata: - correct answer-Acrosomes
The longest stage of Postnatal Life: - correct answer-Adulthood
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Hollow Ball of Cells that Implants into the Uterus - correct answer-
Blastocyst
This protects and cushions the Embryo during development and helps to
keep a constant temperature around the Embryo: - correct answer-Amniotic
Fluid
Which structure of the developing Placenta help to form Blood Cells for the
Embryo: - correct answer-Yolk Sac and Allantois
In order to bypass the Pulmonary Trunk, the _________ allows blood to
move from the Right Atrium to the Left Atrium. - correct answer-Foramen
Ovale
Once the Embryo has reached the point where three primary germ layer
are present, the Embryo has gone through _________? - correct answer-
Gastrulation
Which hormones are secreted during pregnancy to maintain endometrial
lining? - correct answer-Estrogen and Progesterone