Gene Linkage and polyploidy

Genetic recombination Page 113... How many possible chromosome combinations are possible in humans?

• 18 million

• 70 trillion

• 1 trillion

• 23

Tags

NGSS.HS-LS3-2

Page 113... Crossing over increases recombination possibilities even more.

• True

• False

Linked genes are inherited together but are not found on the same chrososme. Page 114

• true

• false

Crossing over can separate linked genes. Page 114

• true

• false

Which is not true about polyploidy/ page 114

• polyploid cells have extra sets of chromosomes

• only very few animals have polyploidy

• polyploidy is very common in plants

• all of these are true

A carrier carries a recessive gene disorder but does not have the disorder.

• true

• false

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which ones are not a recessive genetic disorder? page 116

• Tay-sach's disease

• achondroplasia

• albinism

• cystic fibrossis

• huntington's disease

Page 117... Pedigrees are used to trace inheritance through only 1 generation

• true

• false

What represents a normal male on a pedigree? page 117

• empty circle

• colored circle

• empty square

• half colored square

What represents a female carrier on a pedigree? Page 117

• colored square

• half colored circle

• fully colored square

• fully colored circle