- In guinea pigs the allele for rough coat (R) is dominant over the allele for a smooth coat (r). If a heterozygous guinea pig and a homozygous recessive guinea pig have babies, what type of coat would their offspring have?
- What type of consumer eats both plants and animals?
- Unlike the one-way flow of energy, ______ is always recycled within and between ecosystems.
- What is the source of energy for all food webs?
- are physical or chemical barriers that are used to block sperm from meeting the egg.
- The zygote immediately begins cell division. The cell continues to divide while it travels toward the uterus. By day 5, it has divided enough times to be called a ________________.
- Once the egg is fertilized it is called a ____________.
- " (the pill, patch, ring, and injectable and implantable contraceptives) and the intrauterine device (IUD) are more effective than other alternatives in preventing pregnancy."
- What contraceptive method is...- Not having vaginal sexual intercourse- Free- Available to all- can start at anytime
- - Blocks sperm from entering the reproductive tractSide effects: none; unless allergic to latexAdvantages: Decrease risk of STIs, affordable, accessibleDisadvantages: Interruption of intercourse & possible breakage or defectsSTI Protection: Some but not perfectFailure rate when use perfectly: 2 - 5%Failure rate with actual use: 15 - 21%
- Stop sperm from meeting the egg- _______________________- _____________________- ______________________- ___________________- ___________________- ___________________- ____________________
- What happens fourth in the 1-4 week fetal development timeline?
- The blastocyst reaches the uterus and begins to burrow into the endometrial lining where it implants. This process is called implantation. Once an _____________ (an implanted zygote) has implanted pregnancy has said to have occurred.w
- the merging of a sperm and an ovum (egg). When a sperm enters an egg, fertilization is said to occur.
- What happens fifth in the 1-4 week fetal development timeline?
- What happens second in the 1-4 week fetal development timeline?
- How are the rate and direction of evolution determined?
- Selective sweeps will lead to the ____________ or ______________ of other genetic variants
- When selection is strong and the beneficial allele increases in frequency quickly _______________________
- Some protozoans have _______________ genomes that mammals or fish