hw 1 key

hw 1 key - FNR 305 Conservation Genetics 1. Define a gene....

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
FNR 305 Conservation Genetics Homework #1 Due 1/21/2010 1. Define a gene. A gene is a sequence of base pairs that encodes information for proteins or RNAs. 2. True or False? If false, why? a. Any chromosome may pair with any other chromosome during meiosis False, homologous chromosomes pair in meiosis . b. Mitosis leads to significant genetic variation in organisms. False, there is no crossing over between, or random shuffling of chromosomes in mitosis; meiosis leads to significant variation. 3. Determine whether each of the following events occurs in mitosis, meiosis, or in both kinds of nuclear division: 4. Assume that you are examining a cell under a microscope and you observe the following as the total chromosomal constituents of a nucleus. You know that 2 n =2 in this organism, that all chromosomes are metacentric, and that each G1 cell nucleus contains 10 picograms of DNA. (a) Circle the correct stage for this cell: anaphase of mitosis anaphase of meiosis I anaphase of meiosis II
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 3

hw 1 key - FNR 305 Conservation Genetics 1. Define a gene....

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online