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Development and Reproduction

In sexual reproduction, two parentsclonesembryoeggsSelect your answer reproduce offspring. The offspring are similar but not embryoeggsclonesparentsSelect your answer. The female produces a sex cell called a(n) embryocloneseggspermSelect your answer. The male produces a sex cell called a(n) eggspermclonesembryoSelect your answer. When the two join, a developing structure known as a(n) spermembryoclonestraitsSelect your answer is created. This process is called traitsparentsfertilizationclonesSelect your answer. The embryo will grow to become an adult, with eggparentstraitsclonesSelect your answer from both parents. Most mammals give birth to fully developed young. However, the platypus is one mammal that lays eggsembryoclonesspermSelect your answer.