Genetics Flashcards

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1
Q

The study of genes on the chromosomes and the info they contain

A

Genetics

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2
Q

The study of how info is passed on from parent to offspring

A

Heredity

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3
Q

A trait which shows up more often in a population

A

Dominant trait

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4
Q

A trait which shows up less often in a population

A

Recessive trait

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5
Q

The person that experimented with pea plants and discovered that som traits are dominant and some are recessive

A

Gregor Mendel

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6
Q

When you breed for a specific trait in the offspring and the trait shows up every time

A

True breeding

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7
Q

When pollen from one plant gets physically put into another

A

Cross pollination

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8
Q

What was the outcome of generation 1…

A

75% tall 25% not tall

Ratio: 3:1

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9
Q

The actual info contained for a specific trait on a chromosome

A

Genotype

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10
Q

The words used to describe the genotype

A

Phenotype

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11
Q

What is an example of a phenotype:

A

Widows Peak

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12
Q

The part of DNA which makes up a trait

A

Alleles

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13
Q

How many alleles do you get from each parent

A

2 of each

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14
Q

What are the 2 kinds of genotypes

A

Homozygous
And
Heterozygous

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15
Q

What are the two types of homozygous genotypes

A

Dominant and Recessive

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16
Q

The tool used to show the probability of a specific trait showing up in the offspring.

A

Punnet square

17
Q

When each allele shows a degree of influence on the trait

A

Incomplete dominance

18
Q

Neither trait is more or less dominant

A

Co- dominance

19
Q

What is the order for the eye color chart

9

A
Black
Dark Brown
Brown with Green tints
Brown
Violet
Grey blue
Green
Dark blue
Light blue