28. What is a gene? (1 point) A)It is a chromosome.

B)It is an allele

C)It is a pair of alleles that codes for a trait.

D) It is a type of blue, denim pants.

Imagine a rocket launching from earth and travelling to the moon. in which order would the rocket pass through the layers of the atmosphere? thermosphere, mesosphere, stratosphere, troposphere troposphere, mesosphere, stratosphere, troposphere thermosphere, stratosphere, mesosphere, troposphere troposphere, stratosphere, mesosphere, thermosphere

Complete the statements to identify the first two steps of meiosis i. (1 ) the first and longest step of meiosis i is called i. (2)the second step of meiosis i is called i.

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.