UNIT 3 List 3 DNA and heredity

Question 1

What is cellular division?

Answer 1

process of making new cells/ cells dividing to make new cells

Question 2

what is a egg cell

Answer 2

female cell

Question 3

what is epigenetic

Answer 3

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

Question 4

what is fertilization

Answer 4

The process by which two gametes fuse to become a zygote, which develops into a new organism

Question 5

what is genome

Answer 5

ll the genetic information of an \organism

Question 6

what is inherited traits

Answer 6

particular genetically determined charac- teristic or quality that distinguishes somebody

Question 7

what is multicellular organism

Answer 7

organism composed of many cells

Question 7

what is sexual reproduction

Answer 7

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

Question 8

what is sperm cell

Answer 8

small, compact cell, highly specialized for the task of fertilizing an egg.

Question 9

what is autosomal

Answer 9

pecific gene is not on a sex chromosome and is a numbered chromosome

Question 9

what is complete dominaince

Answer 9

one allele is fully dominant over the other

Question 10

what is dihybrid cross

Answer 10

breeding experiment between two organisms which are identical hybrids for two trait

Question 11

what is F1 First filial

Answer 11

first generation of offspring

Question 12

what is hardy wienberg

Answer 12

genetic variation in a population will remain constant from one generation to the next in the absence of disturbing factors.

Question 13

what is F2 second filial

Answer 13

group of people born as a result of inbreeding and interbreeding among members of the same family

Question 14

what is genotypic

Answer 14

what is genotypic

Question 15

what is hardy weinberg

Answer 15

genetic variation in a population will remain constant from one generation to the next in the absence of disturbing factors.

Question 16

what is incomplete dominance

Answer 16

genetic phenomenon in which the distinct gene products from the two codominant alleles in a heterozygote blend to form a phenotype intermediate between those of the two homozygotes

Question 17

what is monohybrid cross

Answer 17

cross involving just one gene

Question 18

what is P (Parental) generation

Answer 18

first in any genetic cross pollination experiment

Question 19

what is phenotypic ratio

Answer 19

ratio of possible outcomes for an organism based on physical appearance

Question 20

what is polygenic inherience

Answer 20

characteristic, such as height or skin color, that is influenced by two or more genes.

Question 21

what is population

Answer 21

whole number of people or inhabitants

Question 22

what is ratio

Answer 22

comparison of two or more numbers and it indicates the numbers’ sizes

Question 23

what is variation

Answer 23

change or slight difference in a level, amount, or quantity

Question 24

what is phenotypic ratio

Answer 24

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

Question 24

what is polygenic inheritance

Answer 24

nheritance of a trait governed by more than one genes