Transcript 2nd Six Weeks Review

nd
2
Six Weeks Review
Photosynthesis converts ____
energy into ______energy.
Photosynthesis converts light
energy into chemical energy.
What is the high-energy molecule
that stores energy from food?
ATP
What molecule is broken down
through the process of cellular
respiration to release energy?
Glucose
List the phases of mitosis in order.
PMATC
Prophase, Metaphase, Anaphase,
telophase, cytokinesis
Which phase of mitosis does
formation of the nuclear membrane
occur?
Telophase
Which phase of mitosis are the
chromosomes moving away toward
the pole of the cell?
Anaphase
What scientific instrument would
you use to observe the stages of
mitosis in a cell?
microscope
What is the significance of meiosis
to a species?
It creates genetic variation.
How many chromosomes do human
gametes contain?
23
(half the number of chromosomes from body cells)
Do the daughter cells produced from
mitosis have the same number or
half the number of chromosomes as
the parent cell?
Same number
(Mitosis makes two identical cells)
If body cells of a dog have 72
chromosomes, how many
chromosomes will the egg cells
have?
36 chromosomes
Meiosis makes four genetically different
haploid cells. HALF THE NUMBER OF
CHROMOSOMES.
If the above cell is permeable only to
water, what will happen to the cell
when it is put into a beaker of
distilled water?
It will swell aka get bigger
What would happen to a cell that
was put into a 100% sugar solution?
It will shrink.
If 2 parents that were both
dominant for the widow’s peak trait
produced a child with no widow’s
peak, what would the genotypes of
the parents be?
W
Ww x Ww
W
w
WW
Ww
w
Ww
ww
In rabbits, black (B) is dominant to
white (b). If a rabbit has a litter of 8,
of which 4 are black and 4 are white.
What would the genotypes of the
parent rabbits be?
B
Bb x bb
b
b
Bb
Bb
b
bb
bb
In a monohybrid cross, if you cross
two parents that are heterozygous
for a trait, what is the expected
phenotypic ratio?
A
3:1
A
a
AA
Aa
a
Aa
aa
In a dihybrid cross, what would be
the expected phenotypic ratio if you
crossed two heterozygous parents?
9:3:3:1
In humans, "unattached" earlobes are dominant
over "attached" earlobes. "Widows peak" hairline is
dominant over "non-widows peak" hairline. Use E
and e for the earlobe phenotype alleles, and W and
w for the hairline phenotype alleles.
A female and a male, both with genotype EeWw
have a child with attached earlobes and widow’s
peak hairline. What is the genotype of the child?
eeWw or eeWW
A female and a male, both with genotype EeWw
have a child. What is the probability it will have
attached earlobes and a widows peak hairline?
A) 1/6
B) 3/16
C) 1/16
D) 1/32
E) 3/32
B) 3/16
9:3:3:1
In humans, "unattached" earlobes are dominant
over "attached" earlobes. "Widows peak" hairline is
dominant over "non-widows peak" hairline. Use E
and e for the earlobe phenotype alleles, and W and
w for the hairline phenotype alleles.
A female with unattached earlobes and a widows peak
hairline and a male with attached earlobes and a widows
peak hairline have a child. The child has attached earlobes
and a non-widows peak hairline. What are the genotypes
of the parents?
EeWw x eeww