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Zoology
Zoology Sample Quiz 3
10
Biology
Undergraduate 1
10/28/2009

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Term
In vertebrates, where does the mouth appear?
Definition
opposite the blastopore
Term
Embryonic tissue that forms the nervous system of a vertebrate
Definition
Ectoderm
Term
This fetal structure allows lung bypass of blood by linking up the aorta and the pulmonary artery
Definition
ductus arteriosus
Term
This embryonic membrane surrounds and is next to the developing fetus and contains a large amount of fluid
Definition
amnion (amniotic sac)
Term
At the end of meiosis 1, these are the structures formed in spermatogenesis
Definition
secondary spermatocytes
Term
Chromosomes that have genes that deal with the same traits but perhaps different characteristics are:
Definition
Homologous
Term
If in chickens where black(B) is dominant to speckled and heterozygous individuals are blue(Bb), what proportion of offspring would be expected in a cross between 2 blue parents.
Definition
1black: 2blue: 1speckled
Term
What are the possible blood types in the offspring of parents of parents that are heterozygous A and heterozygous B:
Definition
1A:2AB:1B
Term
Which one of the following is thought to be the inheritance pattern for height?
Definition
polygenic
Term
What proportion of offspring would have the dominant traits from this cross:
GgHh x GgHh
Definition
9/16
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