Heredity and Genetics

What is the complementary DNA strand of the letter A?

• G

• C

• T

• A

What is the complementary strand for C?

• O

• G

• A

• T

What is the complementary strand for T?

• G

• C

• K

• A

How many chromosomes are in the human body?

• 46

• 23

• 36

• 42

Where do chromosomes com from?

• chromosomes

• DNA

• it is random

• parents

What is heredity?

• the passing down of chromosomes from parents to offspring

• the passing down of traits from parents to offspring

• traits

• the genes passed down from parent to offspring

Mendel concluded that each inherited trait is controlled by two factors which we now call ___________________.

• chromosomes

• alleles

• genes

• nature

In pea plants having purple flowers is a dominant trait so if a plant receives a purple gene from one parent and a white gene from the other parent it will only have _______________ flowers.

• purple

• white

• lavender

• Pp

Heredity is the passing on of ____________ from _________to _________.

• parents, characteristics, offspring

• genetics, parents, offspring

• characteristics, parents, offspring

• traits, parents, offspring

one set of instructions for an inherited trait

• dominant

• gene

• alleles

• recessive