B5.1.5 + 6 - Genetic Crosses

Question 1

How do you predict a child’s characteristics before birth?

Answer 1

By trying to combine the alleles of both parents

Question 2

What is a phenotype?

Answer 2

The set of someone’s characteristics

Question 3

What table do you use to predict a child’s characteristics?

Answer 3

Punnet square

Question 4

What is a genetic cross?

Answer 4

The act of predicting a child’s characteristics

Question 5

What legumes were used to help predict the laws of inheritance?

Answer 5

Peas

Question 6

If all the alleles of a genetic cross are heterozygous, what will the characteristic of the child be?

Answer 6

Whatever the dominant allele is

Question 7

If there was a genetic cross between a homozygous dominant and a homozygous recessive, what would the offspring be?

Answer 7

Heterozygous

Question 8

How many pairs of chromosomes determine what gender you are?

Answer 8

1

Question 9

If your 23rd chromosome pair consists of 2 big X’s, which gender will you be?

Answer 9

Female

Question 10

If your 23rd chromosome pair consists of a big X followed by a smaller Y, which gender are you?

Answer 10

Male