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CELS191 > Lecture 25 > Flashcards

Lecture 25 Flashcards

1
Q

What is a gene?

A

Information packaged as a discrete particle from parents to offspring

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2
Q

What is an allele?

A

Different forms of a gene

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3
Q

What is a genotype?

A

RR, Rr, rr

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4
Q

What are the different things a genotype can be?

A

Homozygous or heterozygous

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5
Q

What are the different things a genotype can be?

A

Homozygous or heterozygous

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6
Q

What is Mendal’s first law?

A

“Genes segregate at meiosis so that each gamete contains only one of the two possessed by the parent”

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7
Q

What is Mendal’s first law?

A

“Genes segregate at meiosis so that each gamete contains only one of the two possessed by the parent”

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8
Q

What is Mendal’s second law?

A

“alleles of different genes assort independantly during gamete formation”

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9
Q

What is the ratio for a dihybrid cross?

A

9:3:3:1

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10
Q

How does a dihybrid cross show independant assortment?

A

R gene is independant of Y gene

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CELS191 (11 decks)

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