56 questions
During sexual reproduction the chromosomes of
two separate individuals are combined
one individual are transferred to another
one parent only are copied for its offspring
two separate individuals are inherited separately.
Sexual reproduction results in
Genetically unique offspring
Genetically identical offspring
Sexual reproduction results in
No variation
Large amounts of variation
Which of the following is the female animal gamete?
Sperm
Egg
Pollen
Teste
Which of the following describes the main advantages of sexual reproduction?
requires lots of time/energy
no new gene combos can arise
genetic diversity
looks identical to the parent
Crossing-over is an efficient way to produce _________ ____________which increases genetic diversity
genetic variation
genetic recombination
genetic elements
What process creates reproductive cells used in sexual production?
meiosis
mitosis
cellular respiration
photosynthesis
A zygote is formed by ___________ of a male and female gamete.
fertilization
division
reduction
addition
Which describes a zygote cell?
diploid
haploid
monoploid
triploid
In sexual reproduction, _______ parents each contribute a sex cell to the new organism.
two
one
three
several
Half the _________ in the offspring come from each parent.
genes
molecules
particules
substances
Males produce sex cells called ________ cells
sperm
male
egg
sex
The zygote grows through __________
mitosis
meiosis
budding
spores
During sexual reproduction the chromosomes of
two separate individuals are combined
one individual are transferred to another
one parent only are copied for its offspring
two separate individuals are inherited separately.
During synapsis (crossing over), chromatids in homologous pairs of chromosomes often twist around each other, break, exchange segments, and rejoin. This process usually contributes to
the formation of polyploid offspring
nondisjunction of homologous chromosomes
increased variability in offspring
the production of identical twins
a photograph or picture of chromosomes grouped in ordered pairs is a ______________
pedigree
Punnett Square
Venn Diagram
Karyotype
Which process is shown in the image?
crossing over
independent assortment
segregation
mutation
___________ is the process that creates __________ __________ like sperm and egg cells.
Meiosis, gamete cells
Meiosis, somatic cells
Mitosis, gamete cells
Mitosis, somatic cells
The law of __________________ ___________________ describes how chromosomes (and their genes) are randomly sorted into gamete cells.
independent assortment
independent placement
dependent assortment
dependent variation
Reproducing asexually will produce offspring ...
genetically different from each other
genetically identical to the parent