SB3f - Mendel Flashcards

1
Q

What is the genotype of someone?

A

The alleles the person has

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2
Q

What is the phenotype of someone

A

The characteristic displayed by the alleles

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3
Q

What is a dominant allele

A

The allele that will always be expressed in the
phenotype e.g. D

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4
Q

What is a recessive allele

A

The allele that will only be expressed in the phenotype
if homozygous e.g. d

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5
Q

What is meant when someone has homozygous alleles

A

Both alleles are the same e.g. dd or DD

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6
Q

What is meant when someone has heterozygous alleles

A

One dominant and one recessive allele present e.g. Dd

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7
Q

What is meant by a allele

A

An alternative copy of a gene

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8
Q

What is meant by a chromosome

A

A structure containing DNA and protein that you inherit
from your parents. Contains many genes

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9
Q

What is a gene

A

A small section of DNA that codes for a particular
characteristic

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10
Q

What does DNA stand for?

A

Stands for DeoxyriboNucleic Acid

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