Q1: Lesson 3 | Mendelian Genetics

Question 1

Branch of biology that deals with heredity and variation of organisms

Answer 1

Genetics

Question 2

It carries the hereditary information (genes)

Answer 2

Chromosomes

Question 3

Study of how traits are passed from parent to offspring

Answer 3

Heredity

Question 4

An Austrian biologist referred to as the Father of Genetics.

Answer 4

Gregor Mendel

Question 5

Which plant did Mendel experiment on?

Answer 5

Peas

Question 6

He was the first biologist to use mathematics to explain his results quantitatively

Answer 6

Gregor Mendel

Question 7

A unit of heredity; a section of DNA sequence encoding a singular protein

Answer 7

Gene

Question 8

The entire set of genes in an organisms

Answer 8

Genome

Question 9

Two genes that occupy the same position on homologous chromosomes and that cover the same trait

Answer 9

Alleles

Question 10

A fixed location on a strand of DNA where a gene or one of its alleles is located

Answer 10

Locus

Question 11

A segment of DNA that determines a trait

Answer 11

Gene

Question 12

Are determined by the genes on the chromosomes

Answer 12

Traits

Question 13

How many pairs of chromosomes does a human have?

Answer 13

23 pairs

Question 14

Different genes (possibilities) for the same trait

Answer 14

Alleles

Question 15

Having identical genes (one from each parent) for a particular characteristic

Answer 15

Homozygous

Question 16

Having two different genes for a particular characteristic

Answer 16

Heterozygous

Question 17

The allele of a gene that masks or suppresses the expression of an alternate allele; the trait that appears in the heterozygous condition

Answer 17

Dominant

Question 18

An allele that is masked by a dominant allele; does not appear in the heterozygous condition, only in homozygous

Answer 18

Recessive

Question 19

Gene that prevents the other gene from showing

Answer 19

Dominant

Question 20

Gene that does not show even if it’s present

Answer 20

Recessive

Question 21

What symbol do you use for DOMINANT traits?

Answer 21

Upper case letters

Question 22

What symbol do you use for RECESSIVE traits?

Answer 22

Lower case letters

Question 23

The genetic makeup of organisms

Answer 23

Genotype

Question 24

The physical appearance of an organism

Answer 24

Phenotype

Question 25

Combination of genes an organism has

Answer 25

Genotype

Question 26

Physical appearance resulting from gene make-up

Answer 26

Phenotype

Question 27

A useful tool to do a genetic cross

Answer 27

Punnett square

Question 28

A genetic cross involving a single pair of genes

Answer 28

Monohybrid cross