Final Exam New Content Set 4 Flashcards

1
Q

genetics of simple dominant traits

A

To express the trait, you only need one dominant allele.

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2
Q

genetics of simple recessive traits

A

Identical alleles for the trait require both recessive ones for expression.

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3
Q

genetics of gender determination

A

X and Y chromosomes determine sex: females inherit two X chromosomes, males one X from their mother and one Y from their father

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4
Q

genetics of sex-linked traits

A

Sex-linked traits are inherited through sex chromosomes, with males more prone to be affected, while females can carry them. Males express these traits with a single X chromosome carrying the gene.

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5
Q

genetics of two-factor matings (dihybrid crosses)

A

parents with different alleles breed. One parent has two dominant alleles, while the other has two recessive alleles. The F1 offspring are all heterozygous.

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