Based on the Karyotype shown, at which chromosome pair can we identify a genetic disorder?

There are no chromosomal disorders

Which statement is NOT true about Karyotypes

Having missing or extra chromosomes does not indicate a disorder

Chromosomes (pairs 1-22) are arranged by size

Sex chromosomes are found at the end

A normal karyotype has 46 chromosomes or 23 pairs

When chromosomes fail to separate correctly during anaphase of meiosis, what can occur?

extra chromosomes are found in the sex cell

chromosomes of the sex cell are doubled

chromosomes of the sex cell are halved

In a pedigree diagram, ( **DEFINITION: a diagram that can trace a particular trait being passed through generations** ) there is a square and circle. A square means male. What does the circle mean?

The carrier (** DEFINITION: an individual who is heterozygous for a recessive disorder)

Albinism is a recessive genetic disorder. An individual who has two recessive alleles will be albino; while an individual with one dominant allele will not. What is the definition of a recessive genetic disorder?

Two copies of an abnormal gene must be present in order for the disease or trait to develop?

One copy of an abnormal gene must be present for the disease or trait to develop.

If a recessive genetic disorder mean that you need 2 abnormal alleles to express the disorder. What does a dominant genetic disorder mean?

An individual only needs 1 abnormal allele to express the disorder.

An individual needs 2 abnormal alleles to express the disorder.

An individual will never express the disorder.

An individual needs 3 abnormal alleles to express the disorder.

An individual is heterozygous for a recessive genetic disorder.

An individual is heterozygous for a dominant recessive genetic disorder.

An individual is homozygous for a recessive genetic disorder.

An individual is homozygous for a dominant genetic disorder.

What factors can affect a person's height?

both genes and environmental factors

Why are sex-linked traits more common in males than in females?

a recessive allele on the X chromosomes will always produced that trait in a male

all alleles on the X chromosome are dominant

all alleles on the Y chromosomes are recessive

any allele on the Y chromosome will be codominant with the matching allele on the X chromosome

What must occur for a girl to be colorblind?

each parent must have the recessive allele for colorblindness

each parent must have the dominant allele for colorblindness

each parent must have two codominant alleles for colorblindness

How can genetic counselors predict genetic disorders/

by studying karyotypes and pedigree charts

by taking pictures of a baby before it is born

by exploring new methods of genetic engineering

by eliminating codominant alleles in the parents

Complex Inheritance and Human Heredity

Authored by Elena Hemmila

Biology

9th - 12th Grade

NGSS covered

Used 129+ times

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MULTIPLE CHOICE QUESTION

2 mins • 1 pt

blood types consist of 4 different alleles.

false

true

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

incomplete dominance means that there traits are,,,

expressed equally

dominant

recessive

blended

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

polygenic means that _________ control a characteristic

many genes

single genes

3 genes

no genes

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What do you call the non-Mendelian inheritance pattern where both traits are dominant and both appear in the organism with heterozygous genotype?

Codominance

Incomplete dominance

Polygenic traits

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What pattern of inheritance is shown in this image?

Codominance

Incomplete dominance

Polygenic traits

Multiple Alleles

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What pattern of inheritance is shown in this image?

Codominance

Incomplete dominance

Polygenic traits

Sex-linked traits

A breed of chicken shows codominance for feather color. One allele codes for black feathers, another codes for white feathers. The feathers of heterozygous chickens of this breed will be:

all black

all white

all gray

speckled black and white

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Complex Inheritance and Human Heredity

blood types consist of 4 different alleles.

incomplete dominance means that there traits are,,,

polygenic means that _________ control a characteristic

What do you call the non-Mendelian inheritance pattern where both traits are dominant and both appear in the organism with heterozygous genotype?

What pattern of inheritance is shown in this image?

What pattern of inheritance is shown in this image?

A breed of chicken shows codominance for feather color. One allele codes for black feathers, another codes for white feathers. The feathers of heterozygous chickens of this breed will be:

What percentage of the offspring will have this recessive disease?

Looking at this pedigree, how many female family members are carriers?

Looking at this pedigree, how many family members have the disease?

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