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Duplicate of Outcome 8 - Ch.6 "Mendel & Meiosis" Flashcards | StudBud
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Duplicate of Outcome 8 - Ch.6 "Mendel & Meiosis"
Duplicate of Outcome 8 - Ch.6 "Mendel & Meiosis"
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Answers
1
The
expressed form
of a gene - what
masks another
trait such as (R)
dominant
homozygous
heterozygous
recessive
2
Autosomes
determine an organism's sex.
False
True
3
This is
not expressed
or is
hidden
when the dominant form of a trait is present in the offspring ...
phenotype
homozygous dominant
recessive
genotype
4
This
image
represents which
stage of Meiosis
?
metaphase I
anaphase I
metaphase II
telophase I
5
What
percentage
of offspring from this cross would be
green
?
25%
50%
0%
75%
6
When the alleles of a specific gene are the
same
(BB)
...
recessive
homozygous
phenotype
heterozygous
7
This
image
represents which
stage of Meiosis
?
metaphase I
anaphase II
anaphase I
prophase I
8
The
genotypic ratio
of this crossing results in...
2 Gg : 1 gg
2 Gg : 2 gg
2 green pods & 2 yellow pods
1 green pod & 2 yellow pods
9
When
gametes form
and the
two alleles
for a trait
separate
, it is known as ______.
law of heredity
Law of segregation
law of independent assortment
Mendel's Law of inheritance
10
____ refers to the
likelihood
that something will occur.
genotype
probability
statistics
ratio
11
This
image
represents which
stage of Meiosis
?
anaphase I
prophase II
telophase I
telophase II
12
Independent assortment
, genetic recombination by crossing over and sexual reproduction contribute to genetic variation.
False
True
13
This
image
represents which
stage of Meiosis
?
telophase II
prophase II
anaphase I
telophase I
14
A _____ is a
grid like system
the helps scientists predict the potential genotypes when crossing 2 parents.
ratio cross
Punnett Square
genotype
test cross
15
What is the
main difference
between a
diploid and haploid
cell?
haploid cells contain a full set of chromosomes
haploid cells contain half the number of chromosomes
diploid cells are sex cells
haploid cells are body cells
16
In
humans
, Meiosis produces cells that contain ___ chromosomes.
23
46
22
24
17
During
Meiosis II
what happens to
sister chromatids
?
they remain together
they duplicate
they are not involved in meiosis
they separate
18
This
Punnett square
shows a cross between what 2 parents?
homozygous recessive & heterozygous
homozygous dominant & homozygous recessive
2 heterozygous parents
heterozygous & homozygous dominant
19
This
branch of biology
studies
heredity
and the passing of traits from parent to offspring _____.
biology
botany
zoology
genetics
20
A
karyotype
contains information such as _____.
none of the above
an organism's sex
the organism's total number of chromosomes
all of the above
21
This
image
represents which
stage of Meiosis
?
telophase I
prophase I
metaphase I
metaphase II
22
When the alleles of a specific gene are
different
(Bb)
...
recessive
heterozygous
phenotype
homozygous
23
The
set of alleles
that an individual has such as
Tt, TT, or tt
phenotype
genotype
dominant
homozygous
24
When a
lleles of different genes separate independently
of one another as gametes form, this is called
Mendel's Law of inheritance
law of independent assortment
law of heredity
Law of segregation
25
The outward appearance of a trait or
physical appearance
- Joe has brown hair.
genotype
phenotype
dominant
recessive
26
Sex chromosomes
determine all an organism's general body traits.
False
True
27
During which stage of meiosis does
crossing over
take place?
Metaphase II of Meiosis II
Prophase I of Meiosis I
Prophase II of Meiosis II
Telophase I of Meiosis I
28
This
image
represents which
stage of Meiosis
?
telophase I
metaphase I
prophase I
metaphase II
29
Which of the following
best describes
what occurs during
Meiosis
?
takes place only in haploid cells
takes place in all body cells
produces four haploid gametes that are unique
the end result is 2 genetically identical daughter cells
30
Which of the following is one of
Mendel's conclusions
based on his observations?
organisms inherit 2 copies of each gene, 1 from each parent
organisms that self-pollinate do not have "either-or" traits
organisms that give rise to purebreds are superior
organisms that have intermediate features are self pollinating
31
When
parents pass their traits on to their offspring
, we refer to this as ____.
heredity
meiosis
genetics
reproduction
32
Which of these statements is
true
of
homologous
chromosomes?
they are similar in size, shape and genetic information
they divide during Meiosis II
they are exactly alike
they are clones of one another
33
How many
chromosomes
are present in a
human somatic
cell?
22
23
46
44
34
____ is referred to as an
alternate form
of a gene.
allele
chromatid
chromosome
gene
35
The
letters on the inside of the grid
on a Punnett square represent _____.
phenotypes of the parents
chromosomes of the parents
genotypes of the offspring
test crosses of offspring
36
A ____ is a cross between an
organism that shows the dominant phenotype with and organism with the recessive phenotype
.
homozygous cross
genetics
heterozygous cross
test cross
37
This
image
represents which
stage of Meiosis
?
telophase I
metaphase II
prophase I
metaphase I
38
This
image
represents which
stage of Meiosis
?
prophase I
anaphase I
metaphase I
telophase I
