ECPI Bio 116 A&P 2 Chapters 23-24
Questions and Answers 100% Pass
Genes are defined as - ✔✔Sequences of DNA that encode proteins
Dominant refers to the: - ✔✔Allele that masks the expression of another allele
Recessive refers to the: - ✔✔Allele expression that is masked
Humans that possess two X chromosomes are; - ✔✔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 - ✔✔EE & Ee
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 - ✔✔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?
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Orange or Purple - ✔✔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 - ✔✔No Tail
A Genotype describes: - ✔✔The DNA of Individual Processes
Codominance Occurs: - ✔✔When the Alleles are expressed equally
A chart displaying the Chromosomes pairs in size order is called a: - ✔✔Karyotype
Alternative forms (Different DNA Sequences) of Genes are called: - ✔✔Alleles
Homozygous means that: - ✔✔The Alleles for a gene are Identical
Heterozygous means that: - ✔✔The Alleles for a gene are not Identical
Phenotype is: - ✔✔The Appearance or Physical outcome of Genes
To Fertilize and Egg, Enzymes in the Sperm _______ help digest a tunnel through the Corona Radiata: -
✔✔Acrosomes
The longest stage of Postnatal Life: - ✔✔Adulthood
Hollow Ball of Cells that Implants into the Uterus - ✔✔Blastocyst
This protects and cushions the Embryo during development and helps to keep a constant temperature
around the Embryo: - ✔✔Amniotic Fluid
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