Science- Genetics Flashcards

1
Q

Who was Gregor Mendel?

A

The Father of Modern Genetics

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2
Q

Genetics

A

scientific study of hereditary

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3
Q

Hereditary

A

is the passing of characteristics from one generation to the next (parents to offspring)

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4
Q

Traits

A

specific characteristics

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5
Q

What did Mendel use for his experiments

A

pea plants

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6
Q

what are punnet squares?

A

are a tool used by geneticists to predict the possible combinations of genes that could be inherited from a particular mating.

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7
Q

Genotype ratio

A

The ratio expressed representing different genes

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8
Q

Phenotype Ratios

A

The ratio expressed representing different phenotypes (physical traits)

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9
Q

Behavioral traits

A

characteristics that consistantly descibe an organisms behavior

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10
Q

biochemical traits

A

characterisics that affect how an organism interacts with its environment

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11
Q

genes

A

sequences of DNA stored of chromosomes

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12
Q

Chrmosonmes

A

holds genetic information for the cell

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13
Q

allels

A

alternate forms of genes

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14
Q

Genotype

A

genetic properties

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15
Q

Phentype

A

physical properties

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16
Q

Dominanat Allele

A

XX, Xx

17
Q

Recessive Allele

A

xx

18
Q

Heterozygous

A

having two different alleles, hybrid: Xx

19
Q

Homozygous

A

having the same alleles, same: Dominant: XX Recessive: xx

20
Q

What shape is a female on a pedigree

A

circle

21
Q

What shape is a male on a pedigree

A

square

22
Q

What does a blacked out shape mean on a pedigree

A

They have that trait

23
Q

What does a line connecting two people mean on a pedigree

A

marriage

24
Q

what does a half shaded shape mean on a pedigree

A

they are a carrier

25
Q

physical traits

A

traits you can see by observing something