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Biology > inheritance > Flashcards

inheritance Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

where is the chromosome located at

A

nucleus

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2
Q

what is a gene

A

part of a DNA molecule coding for one protein

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3
Q

what is a haploid

A

a single set of chromosome

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4
Q

what is a diploid

A

two sets of chromosome

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5
Q

what determines your hair colour, eye colour or ur nose etc…

A

genes

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6
Q

which process involving cell division can repair the damage of the cell

A

mitosis

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7
Q

what is an inheritance

A

the transmission of genetic information generation to generation

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8
Q

what happens to the chromosome number in meiosis

A

it halves and combines with another half of the chromosome to form a new cell

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9
Q

we have ___ sets of chromosomes

A

2

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10
Q

what is homozygous

A

having two identical alleles of a particular gene ( pure breeding)

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11
Q

what is heterozygous

A

having two different alleles of a particular gene

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12
Q

what is a genotype

A

showing alleles by using symbols

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13
Q

what is a phenotype

A

the feature that the animal has

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14
Q

what does it mean by the allele is dominant

A

it is expressed when it is present

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15
Q

what does it mean by the allele is recessive

A

only expressed when there is no dominant allele

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16
Q

how to find out genotype

A

test crossbreed:with the homozygous recessive genotype for the same gene

17
Q

what would be the women’s genotype

A

XX

18
Q

what would be the men’s genotype

A

XY

19
Q

what is sex-linked characteristic

A

a characteristic in which the gene responsible is located on a sex chromosome, which make it more common in one sex than in the other.

20
Q

In DNA molecule base pairs are ____ with ______ .and ______ with _______( alphabet)

A

A with T

G with C

21
Q

what helps to carry information in the DNA

A

mRNA

22
Q

describe how the protein is made

A

mRNA molecule copy base sequence from the DNA
RNA moves out of the nucleus to the cytoplasm and attached to the ribosome
ribosome arrange amino acid is exactly right sequence to make the protein required

Biology (22 decks)

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