Single-Factor Crosses I

Question 1

What is a cross:

Answer 1

A mating that produces offspring.

Question 2

what is a single-factor cross:

Answer 2

A cross involving one gene.
One character controlled by one gene.

Question 3

Parental Generation:

Answer 3

The first generation.

Question 4

F1 Generation [First Filial]:

Answer 4

The offspring of the first generation.

Question 5

F2 Generation [Second filial]:

Answer 5

Cross between the F1 generation.

Question 6

Autosomes:

Answer 6

Do not determine an individual’s sex.

Question 7

Autosomal traits:

Answer 7

Traits produced by genes on autosomes.

Question 8

Haploid:

Answer 8

One set of human chromosomes.

Question 9

Diploid:

Answer 9

Two sets of human chromosomes.

Question 10

In a diploid organism, only what cells are gametes:

Answer 10

Haploid cells.

Question 11

Mendel’s law of segregation:

Answer 11

A parent’s two alleles segregate into different daughter cells during meiosis. Each allele has an equal probability of being inherited.

Question 12

True Breeding:

Answer 12

Both parents are homozygous.

Question 13

The genotypic ratio of F2 generation when F1(Tt) generation is selfed:

Answer 13

1: Dominant.
2: Heterozygous.
1: Recessive.