Transcript Back to you Alex

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Pedigrees
Number
Disorders
$100.00
Autosomal
& SexLinked
Human Cells
$100.00
ABO Blood
Types
Vocabulary
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Vocabulary $100
What is a photograph of chromosome
pairs that can detect number disorders,
such as Turner Syndrome?
Karyotype
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Vocabulary $200
What is the failure of chromosomes to
separate in anaphase that causes number
disorders?
Nondisjunction
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What are autosomes?
Homologous chromosome pairs 1 - 22
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What is a diagram that follows the
inheritance of a single trait through
several generations of a family, such as
cystic fibrosis?
Pedigree
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What are disorders located on
the X or Y Chromosomes?
Sex-Linked
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What are the sex chromosomes for
males?
XY
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Which sex decides the sex of the child,
the male or female?
The Male
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A. How many chromosomes are in a somatic
cell?
B. How many sex chromosomes would a
somatic cell contain?
A. 46
B. 2
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A. How many chromosomes are in a gamete
cell?
B. How many sex chromosomes would a
gamete cell contain?
A. 23
B. 1
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If a man and a woman have three children
and the first two are boys, what is the chance
that the third child will also be a boy, (write
your answer as a percentage)?
50%
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Number Disorders $100
True or False: A karyotype shows that a
baby has 46 chromosomes, therefore it
can ensure the baby is normal and has
no disorders.
False.
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Number Disorders $200
Using the karyotype
to the right. Identify
the following:
A. Sex of baby
B. Diagnosis
A. Female
B. Down Syndrome
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Number Disorders $300
True or False: Autosomal number
disorders are the most deadly, or lethal.
True
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Number Disorders $400
A sex chromosome disorder that is
characterized by males showing poor sexual
development and infertility…
A. Is known as:
B. Has the following sex chromosomes:
A. Klinefelter’s Syndrome
B. XXY
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Number Disorders $500
How many chromosomes would a baby
have, total, that has a number disorder
defined by trisomy?
47
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ABO Blood Types $100
ABO Blood types are determined by a gene
with three alleles, name the vocabulary
term that describes this type of trait.
Multiple Alleles
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A child can only get type O blood with the
genotype ii. Is this genotype Co-Dominant,
recessive, or homozygous dominant?
Recessive
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True or False: ABO Blood types can be
describe as Co-Dominant.
True
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If a male with type AB blood and a
female with type B blood have a child, is
it possible for them to have a child with
type A blood?
Yes
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If the mother has blood type O and
the child has blood type A, what are
all the possible blood types of the
father?
Type A, Type AB,
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Autosomal & Sex Linked Disorders
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Name the recessive disorder that is
characterized by failure to produce the
pigment melanin.
Albinism
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Autosomal & Sex Linked Disorders
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Name the sex-linked disorder that is
characterized by missing the enzyme
required for normal blood-clotting.
Hemophilia
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Autosomal & Sex Linked Disorders
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Which chromosome are most sexlinked disorders linked to?
The X Sex Chromosome
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Autosomal & Sex Linked Disorders
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What is the probability of having a son with
colorblindness if you cross a mom that is a
carrier for colorblindness and dad that is
colorblind?
50%
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Autosomal & Sex Linked Disorders
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What is the probability of having a child with
cystic fibrosis if you have a mom that is
heterozygous dominant for the trait and a dad
that is homozygous recessive for the trait?
50%
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Pedigrees, $100
What represents males on the
pedigree?
Squares
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What represents an infected
individual?
Shaded circle or square
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The pedigree to the
right represents
Cystic fibrosis.
What would the
genotype of
individual II, 2 be?
Heterozygous
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The pedigree to the
right is a dominant
trait. Is the pedigree
sex-linked or
Autosomal?
Autosomal
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The pedigree below shows hemophilia. What is the
genotype of individual 6?
6
6
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XHXh