Question 1

How can a trait skip a generation or two?

Accepted Answer

It's a recessive trait

Answer

it's a dominant trait

Answer

the trait is extinct

Answer

it hides in the chromosome

Question 2

In humans which parent determines the gender of the child?

Accepted Answer

the male

Answer

its random

Answer

the female

Answer

no ones knows

Question 3

Genotype refers to __________________

Accepted Answer

the specific allele an individual inherits

Answer

what an individual looks like

Answer

how many chromosomes an individual has

Answer

condensed DNA

Question 4

Which of the following could be a phenotype?

Accepted Answer

Blonde hair

Answer

RNA

Answer

rr

Answer

DD

Question 5

Which of the following list of traits can be inherited?

Accepted Answer

Green eyes , dimples, tongue roller

Answer

blue hair, has tattoos

Answer

likes pizza, plays soccer

Answer

brown hair and plays the piano

Question 6

What is a dominant trait?

Accepted Answer

a trait that is always expressed in offspring

Answer

a trait that always hides itself

Answer

only expressed if there are 2 of the same alleles

Answer

a trait that can skip a generation

Question 7

The DNA in identical twins is the same because they come from the same fertilized  egg ( zygote)

Accepted Answer

true

Answer

false

Question 8

Which statement best describes the relationship between genes and chromosomes?

Accepted Answer

chromosomes are condensed DNA and they contain many genes

Answer

genes are in the cytoplasm while chromosomes are in the nucleus

Answer

genes are completely separate from chromosomes

Answer

genes are condensed DNA and they contain many chromosomes

Question 9

A human male will normally trasmit the genes on his X chromosome to

Accepted Answer

only his daughters

Answer

its completely random

Answer

only his sons

Answer

all of his children

Question 10

Billy can roll his tongue , but his sister Tammy cannot. Why is this?

Accepted Answer

Billy inherited the gene but Tammy did not

Answer

Tammy thinks its impolite

Answer

Tammy has not practiced rolling her tongue

Answer

Billy is talented

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