Heredity

Question 1

1902

Answer 1

Theory proposed

Chromosomes are carriers of genes

Question 2

Mutants

Answer 2

Carriers of genetic variant

Question 3

Independent Assortment could not hold if

Answer 3

Chromosomes lined up in a specific order
I.e.
Paternal and maternal copies

Question 4

Wild Type

Answer 4

Normal phenotype

Question 5

X-linked inheritance

Answer 5

Genes connected to only the X chromosome

Question 6

Linkage

Answer 6

Similar to crossing Over

Question 7

Independent Assortment does not occur when genes are

Answer 7

Closer together in a chromosome

Question 8

Crossing Over occurs more frequently in genes that are

Answer 8

Farther apart

Question 9

Example:
2:2:1:1

Answer 9

Majority being those that don’t cross over

Question 10

In the XY system used by mammals this gene regulates the male state

Answer 10

SRY

Question 11

How many X chromosomes work in males? Females?

Answer 11

One

Question 12

The mechanism for x inactivation by the mother involves

Answer 12

Long lasting, transmissible changes in chromatin condensation