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Genetics Test 1 Review > Review > Flashcards

Review Flashcards

1
Q

A hematopoietic stem cell can produce new cells that can further differentiate into many different kinds of blood cells but not into other types of cells. Therefore, a hematopoietic stem cell is a _____ stem cell.

A

Pluripotent

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2
Q

Equatorial division occurs during meiosis I

A

False

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3
Q

Hollow components of cytoskeleton that help form cilia

A

Microtubules

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4
Q

Which of the following would be the least abundant element in an organism?

A

Sodium

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5
Q

Centromeres divide and sister chromatids move to opposite ends of the cell during

A

Anaphase

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6
Q

Place the following steps in the correct order, from first to last, that they occur during one complete cell cycle

A

S of Interphase, Prophase, Metaphase, Cytokinesis

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7
Q

Enzymes belong to this group of chemicals:

A

Proteins

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8
Q

If cell is damaged or will not divide for a long time, then it can enter:

A

G0

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9
Q

Telophase is the step in mitosis when the nuclear envelope reassembles and the spindle breaks down.

A

True

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10
Q

Huntington disease is an autosomal dominant trait that carried on chromosome 4. The genotype of a carrier for Huntington disease would be:

A

Huntington disease cannot have a carrier because it is a dominantly inherited condition

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11
Q

Apoptosis is a term used to describe:

A

Cell death

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12
Q

Which of the following would best describe the phenotypes of individuals for a recessively inherited disease

A

Disease is expressed only in individuals that are homozygous for the recessive allele

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13
Q

Induced pluripotent stem cells (iPS cells) could be derived from:

A

Adult somatic cells that are treated with specific factors

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14
Q

Which of the following is not a reason that single-gene (Mendelian) diseases differ from other diseases?

A

Traditional drug therapies are not effective

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15
Q

The genome of a somatic cell could be described as haploid.

A

False

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16
Q

Which of the following would best describe the phenotypes of individuals for a dominantly inherited disease?

A

Disease is expressed in individuals that are homozygous for the dominant allele and in heterozygous individuals.

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17
Q

disease carrier is:

A

any person who is heterozygous for a recessively inherited disease

18
Q

DNA & RNA are examples of this group

A

Nucleic Acid

19
Q

primary difference between a stem cell and a progenitor cell is that a stem cell can regenerate itself but a progenitor cell cannot.

A

True

20
Q

A primary spermatocyte is diploid but a secondary spermatocyte is haploid

A

True

21
Q

In the somatic cells of one individual, the two alleles for a given gene are:

A

located at the same location on each of the two homologous chromosomes

22
Q

Before mitosis can occur, each chromosome must be replicated. The two copies of a chromsome are referred to as:

A

Sister chromatids

23
Q

The two alleles for a given gene in one individual:

A

May be different or the same

24
Q

A gene is a:

A

Sequence of DNA (series of DNA bases) that is a code for a specific protein

25
Q

The component of the cytoskeleton that is primarily used to provide cells with mechanical strength and connect cells together to form tissues

A

Intermediate Filaments

26
Q

Sister chromatids are separated from each other during:

A

Both mitosis and meiosis 2

27
Q

The composition of the plasma membrane and other lipid bilayers allows hydrophilic molecules to easily pass through it, while preventing hydrophobic molecules from passing.

A

False

28
Q

fertilized egg (zygote) would be considered

A

Totipotent

29
Q

How many alleles for any given gene are found in a reproductive cell (sperm or egg)?

A

1

30
Q

The study of inherited traits and their variations

A

Genetics

31
Q

Transmission of traits and biological information between generations

A

Heredity

32
Q

Molecule that stores information and is the molecular basis of genetics

A

DNA

33
Q

The basic unit of heredity that contains the instructions to make a specific protein

A

Gene

34
Q

All of the DNA that constitutes an organism

A

Genome

35
Q

chromosome that does not contain sex determining genes

A

Autosome

36
Q

Photograph of all a cell’s chromosomes stained and arranged in order from largest to smallest

A

Karyotype

37
Q

Alternative forms of the same gene

A

Alleles

38
Q

Traits that are determined by the alleles of a single gene

A

Mendelian Traits

39
Q

Visible or measurable traits that result from expression of an allele

A

Phenotype

40
Q

One copy of allele is needed for phenotype to occur

A

Dominant

41
Q

Involves sequencing all of the DNA from a complex sample that may contain DNA from many different organisms.

A

Metagenomics

Genetics Test 1 Review (1 decks)

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