Chromosomal Basis Of Inheritance

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Question 1

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Short Answer

Please select the best match for each term.
A)Mammalian female
B)Polyploidy
C)Turner syndrome
D)Klinefelter syndrome
E)Aneuploidy
-1)XXY
2)XO
3)XX
4)2N+1
5)3N

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Question 2

Free

Multiple Choice

A person with an XO genotype for the sex chromosomes would be phenotypically

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male.

female.

intersex (both male and female).

male or female with equal probability.

neither male nor female.

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Question 3

Free

Multiple Choice

Cells obtained from a Triplo-X woman would contain ________ Barr bodies.

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Question 4

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Multiple Choice

In human males,genes on the X chromosome are

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homozygous.

heterozygous.

homogametic.

heterogametic.

hemizygous.

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Question 5

Free

Multiple Choice

In butterflies,males are the ________ sex.

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homozygous

heterozygous

homogametic

heterogametic

hemizygous

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Question 6

Multiple Choice

The key gene in mammalian sex determination is

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the testis-determining factor gene.

the Y-factor gene.

the holandric factor gene.

the X-inactivation center.

the lyonization gene.

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Question 7

Multiple Choice

A litter produced by a calico cat is not expected to include

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solid-colored female kittens.

calico female kittens.

solid-colored male kittens.

calico male kittens.

Any of these

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Question 8

Multiple Choice

A human male who undergoes a sex-change operation will be chromosomally

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XX.

XY.

XXY.

XYY.

YYY.

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Question 9

Multiple Choice

The chromosome theory of inheritance states that

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genes are located on chromosomes.

chromosomes replicate before cell division.

alleles of a gene segregate during cell division.

chromosomes consist of DNA.

different chromosomes assort independently of one another.

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Question 10

Multiple Choice

The spindle fibers attach to the centromere via a protein complex called

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tubulins.

microtubules.

chromatid.

kinetochore.

chiasma.

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Question 11

Multiple Choice

Plants that produce separate male and female flowers are said to be

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hermaphroditic.

heterosexual.

monoecious.

dioecious.

homosexual.

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Question 12

Multiple Choice

In an organism with 16 chromosomes per cell,how many DNA molecules are present in a cell undergoing anaphase of mitosis?

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Question 13

Multiple Choice

Synaptonemal complex forms during

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leptonema.

zygonema.

pachynema.

diplonema.

diakinesis.

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Question 14

Multiple Choice

Phenotypically,a female (XX)mouse embryo that was transformed with a small piece of a Y chromosome bearing the SRY gene would develop as

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a male.

a female.

an intersex individual.

a male initially,then revert to female after birth.

a female initially,then revert to male after birth.

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Question 15

Multiple Choice

Which of the following is an example of genetic mosaicism?

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Calico coat color in cats

Albinism in mice

Male pattern baldness in humans

Red-green color blindness in humans

White eyes in Drosophila

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Question 16

Multiple Choice

Individuals with Turner syndrome are

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euploid.

aneuploid.

polyploid.

haploid.

monoploid.

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Question 17

Multiple Choice

Which of the following organisms has a ZZ-ZW method of sex determination?

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House mice

Monarch butterflies

Fruit flies

Humans

Worms

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Question 18

Multiple Choice

The largest human autosome is chromosome and the smallest is chromosome .

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1,22

1,21

1,Y

X,22

None of these

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Question 19

Multiple Choice

Chromosomes with only one arm are known as

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metacentric.

submetacentric.

acrocentric.

telocentric.

acentric.

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Question 20

Multiple Choice

Red-green color blindness in humans is an X-linked recessive trait.What will the progeny ratios be if a carrier female is mated with a normal male?

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All the sons will be color blind; all the daughters will be normal.

All the sons and half the daughters will be color blind.

Half the sons will be color blind; all the daughters will be carriers.

Half the sons will be color blind; half the daughters will be carriers.

All the sons and all the daughters will be normal.

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Chromosomal Basis Of Inheritance

Please select the best match for each term.A)Mammalian femaleB)PolyploidyC)Turner syndromeD)Klinefelter syndromeE)Aneuploidy-1)XXY2)XO3)XX4)2N+15)3N

A person with an XO genotype for the sex chromosomes would be phenotypically

Cells obtained from a Triplo-X woman would contain ________ Barr bodies.

In human males,genes on the X chromosome are

In butterflies,males are the ________ sex.

The key gene in mammalian sex determination is

A litter produced by a calico cat is not expected to include

A human male who undergoes a sex-change operation will be chromosomally

The chromosome theory of inheritance states that

The spindle fibers attach to the centromere via a protein complex called

Plants that produce separate male and female flowers are said to be

In an organism with 16 chromosomes per cell,how many DNA molecules are present in a cell undergoing anaphase of mitosis?

Synaptonemal complex forms during

Phenotypically,a female (XX)mouse embryo that was transformed with a small piece of a Y chromosome bearing the SRY gene would develop as

Which of the following is an example of genetic mosaicism?

Individuals with Turner syndrome are

Which of the following organisms has a ZZ-ZW method of sex determination?

The largest human autosome is chromosome ________ and the smallest is chromosome ________ .

Chromosomes with only one arm are known as

Red-green color blindness in humans is an X-linked recessive trait.What will the progeny ratios be if a carrier female is mated with a normal male?

Please select the best match for each term.
A)Mammalian female
B)Polyploidy
C)Turner syndrome
D)Klinefelter syndrome
E)Aneuploidy
-1)XXY
2)XO
3)XX
4)2N+1
5)3N

The largest human autosome is chromosome and the smallest is chromosome .