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Genetics and biochemistry > Mendalian genetics > Flashcards

Mendalian genetics Flashcards

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Biology 101 flashcards
1
Q

What does heredity mean?

A

Passing of traits from one generation to the next

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2
Q

What is genetic variation?

A

Differences that make organisms different from their parents

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3
Q

What is a locus?

A

Location of a particular gene on a given chromosome

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4
Q

What is an allele?

A

Different forms of a gene (different nucleotide sequences)

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5
Q

What is a diploid?

A

Pair of chromosomes, one from mum and one from dad

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6
Q

Heterozygous vs Homozygous

A

Hetero: different (Pp or Bb)
Homo: same (PP or bb)

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7
Q

What is a phenotype?

A

Features that can be seen externally (purple flowers)

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8
Q

What is a genotype?

A

Genetic makeup that is not observed (PP/Pp)

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9
Q

Punnett squares

A

Used to determine which genes give what trait and ratios

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10
Q

Monohybrid cross

A

Cross involving one characteristic

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11
Q

Dihybrid cross

A

Cross involving two characteristics

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Genetics and biochemistry (18 decks)

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