Genetics Question Preview (ID: 4090)


Genetics Review. TEACHERS: click here for quick copy question ID numbers.

chromosome is to nucleus as DNA is to
a) cytoplasm
b) gene
c) cell membrane
d) chloroplast

Each body cell ofa goldfish contains 94 chromosomes. How many chromosomes are contained in a goldfish sex cell?
a) 23
b) 47
c) 94
d) 188

In sexual reproduction, what fraction of genes does each parent contribute to the offspring?
a) 1/4
b) 1/3
c) 1/2
d) 3/4

The male sex cell is the
a) egg
b) sperm
c) ovary
d) testes

The vast variety of different traits found in humans results from
a) intensive training and education
b) sexual reproduction and mutations
c) exercise and conditioning
d) birth defects and recessive genes

Which organism consists of one cell?
a) amoeba
b) mushroom
c) earthworm
d) pine tree

Which condition is the result of abnormal cell division?
a) pregnancy
b) infection
c) extinction
d) cancer

Which process is responsible for growth and repair
a) sexual reproduction
b) asexual reproduction
c) mitosis
d) cancer cells

Which process gives rise to a variety of traits within a species?
a) sexual reproduction
b) dynamic equilibrium
c) cellular respiration
d) internal regulation

If a species is not longer able to reproduce, it will
a) adapt to its environment
b) become immune to disease
c) become extinct
d) increase its population

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