Heredity (Unit 5) Flashcards

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1
Q

What are two examples of asexual reproduction?

A

Hydra and Redwood

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2
Q

Genetics is…

A

The study of heredity

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3
Q

Genes are…

A

Heredity units

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4
Q

Reproductive cells are called…

A

Gametes

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5
Q

Male gametes

A

Sperm

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6
Q

Female gametes

A

Egg

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7
Q

Resulting order displayed

A

Karyotype

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8
Q

2 of the same chromosomes creating a pair

A

Homologous chromosomes

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9
Q

Determines the gender

A

Sex chromosomes

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10
Q

Non-sex chromosomes

A

Autosomes

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11
Q

A human diploid cell has how many sets of chromosomes?

A

2

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12
Q

Fusion of the egg and sperm

A

Fertilization

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13
Q

Fertilized egg

A

Zygote

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14
Q

The original source of genetic diversity

A

Mutation

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15
Q

Creates different versions of genes called alleles

A

Mutations

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16
Q

_______ of alleles during sexual reproduction produces genetic variation

A

Reshuffling

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17
Q

What are the three mechanisms that contribute to genetic variation?

A

Independent assortment of chromosomes, crossing over, and random fertilizationG

18
Q

Genes that are inherited on the same chromosome and are adjacent

A

Linked genes

19
Q

Which one carries more, x or y?

A

x

20
Q

Mitochondria DNA comes from…

A

Maternal side

21
Q

Alleles segregate randomly into gametes

A

Law of segregation

22
Q

The alleles of different genes are sorted into gametes

A

Law of independent assortment

23
Q

The failure of chromosomes to separate when forming gametes resulting in too few chromosomes.

A

Nondisjunction

24
Q

Genetic disorders can be a result of a single…

A

Mutated allele

25
Q

Blood type A

A

AA or AO

26
Q

Blood type B

A

BB or BO

27
Q

Blood type AB

A

AB

28
Q

Blood type O

A

OO

29
Q

What is it called when the dominant gene does not allow the baby to be born(miscarriage)?

A

Lethal dominance

30
Q

What type of person is mainly affected by sickle cell disease?

A

African

31
Q

What is the cause for sickle cell disease?

A

Defect in gene

32
Q

Symptoms of sickle cell disease

A

Dizziness, yellow skin/eyes, joint pain

32
Q

Type of inheritance pattern for sickle cell disease

A

Autosomal recessive

32
Q

Who is mainly affected by Huntington’s disease

A

People with European ancestry

32
Q

What causes Huntington’s disease?

A

A mutation in a protein gene called Huntingtin

33
Q

What are the symptoms of Huntington’s disease?

A

Depression, mood swings, difficulty moving

33
Q

What type of inheritance pattern does Huntington’s disease come from?

A

Autosomal recessive

33
Q

Is there a cure for Huntington’s disease?

A

No

34
Q

How do you test for Huntington’s disease?

A

Brain scan

35
Q

Is there a cure for sickle cell disease?

A

Yes, stem cell or bone marrow transplants

36
Q

How do you test for sickle cell disease?

A

Blood test

37
Q

In the paper tasting lab, what was the recessive allele?

A

People who did not taste anything