Unit 3 List 3 DNA & Heredity AL

Question 1

Cellular Divison

Answer 1

The division of a cell into two daughter cells with the same genetic material.

Question 2

egg cell

Answer 2

the female reproductive cell

Question 3

epigenetic

Answer 3

The study of how cells control gene activity without changing the DNA sequence.

Question 4

fertilization

Answer 4

The union of two gametes.

Question 5

genome

Answer 5

The entire set of DNA instructions found in a cell.

Question 6

Inherited traits

Answer 6

A particular genetically determined characteristic or quality passed down from parents.

Question 7

Multicellular organism

Answer 7

An organism that is made of many cells.

Question 8

sexual reproduction

Answer 8

The production of new organisms by the combination of genetic information of two individuals of different sexes.

Question 9

sperm cell

Answer 9

The male reproductive cell, formed in the testicle.

Question 10

autosomal

Answer 10

One of the numbered chromosomes, as opposed to the sex chromosomes.

Question 11

complete dominance

Answer 11

A form of dominance where in the dominant allele masks the effect of the recessive allele.

Question 12

dihybrid cross

Answer 12

A mating experiment between two organisms that are identically hybrid for two traits.

Question 13

F1 (first filial)

Answer 13

The first filial generation seeds/plants or animals offspring resulting from a cross mating of distinctly different parental types.

Question 14

F2 (second filial)

Answer 14

The result of a cross between two F1 individuals.

Question 15

genotypic ratio

Answer 15

The number of times a genotype would appear in the offspring after a test cross.

Question 16

Hardy-Weinberg Conditions

Answer 16

The genetic variation in a population will remain constant from one generation to the next.

Question 17

Hardy-Weinberg Equilibrium

Answer 17

A principle stating that the genetic variation in a population will remain constant from one generation to the next.

Question 18

incomplete dominance

Answer 18

A form of Gene interaction n which both alleles of a gene at a locus are partially expressed,

Question 19

monohybrid cross

Answer 19

The hybrid of two individuals with homozygous genotypes.

Question 20

P (parental) generation

Answer 20

The first generation involving two individuals that are mated to foresee or analyze the genotypes of their offspring.

Question 21

phenotypic ratio

Answer 21

A ratio comparing the possible outcomes for an organism based on physical appearance.

Question 22

polygenic inheritance

Answer 22

The inheritance of a trait governed by more than one gene.

Question 23

population

Answer 23

An assortment of organisms of a species that live in the same place at the same time.

Question 24

ratio

Answer 24

The quantitative relation between two amounts showing the number of times on value contains or is contained within the other.

Question 25

variation

Answer 25

Any difference between cells, individual organisms, or groups of organisms.